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Finding the Fourth Proportional to 426,570.30, 588,400.20 and 254,367.54

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Solution

The fourth proportional to 426,570.30, 588,400.20 and 254,367.54 is: 350,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,570.30 : 588,400.20 = 254,367.54 : x
  2. Step 2: Convert to fraction form
    426,570.30/588,400.20 = 254,367.54/x
  3. Step 3: Cross multiply
    426,570.30x = 588,400.20 × 254,367.54
  4. Step 4: Simplify right side
    426,570.30x = 149,669,911,409.51
  5. Step 5: Solve for x
    x = 149,669,911,409.51/426,570.30
  6. Step 6: Final answer
    x = 350,868.10

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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.