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Finding the Fourth Proportional to 358,409.54, 494,525.76 and 207,419.06

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Solution

The fourth proportional to 358,409.54, 494,525.76 and 207,419.06 is: 286,192.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,409.54 : 494,525.76 = 207,419.06 : x
  2. Step 2: Convert to fraction form
    358,409.54/494,525.76 = 207,419.06/x
  3. Step 3: Cross multiply
    358,409.54x = 494,525.76 × 207,419.06
  4. Step 4: Simplify right side
    358,409.54x = 102,574,068,743.48
  5. Step 5: Solve for x
    x = 102,574,068,743.48/358,409.54
  6. Step 6: Final answer
    x = 286,192.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.