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Finding the Fourth Proportional to 360,374.42, 497,366.16 and 207,409.52

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Solution

The fourth proportional to 360,374.42, 497,366.16 and 207,409.52 is: 286,253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,374.42 : 497,366.16 = 207,409.52 : x
  2. Step 2: Convert to fraction form
    360,374.42/497,366.16 = 207,409.52/x
  3. Step 3: Cross multiply
    360,374.42x = 497,366.16 × 207,409.52
  4. Step 4: Simplify right side
    360,374.42x = 103,158,476,509.84
  5. Step 5: Solve for x
    x = 103,158,476,509.84/360,374.42
  6. Step 6: Final answer
    x = 286,253.60

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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.