Home / 284,500.26-392,637.51-155,458.35

Finding the Fourth Proportional to 284,500.26, 392,637.51 and 155,458.35

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Solution

The fourth proportional to 284,500.26, 392,637.51 and 155,458.35 is: 214,547.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,500.26 : 392,637.51 = 155,458.35 : x
  2. Step 2: Convert to fraction form
    284,500.26/392,637.51 = 155,458.35/x
  3. Step 3: Cross multiply
    284,500.26x = 392,637.51 × 155,458.35
  4. Step 4: Simplify right side
    284,500.26x = 61,038,779,452.71
  5. Step 5: Solve for x
    x = 61,038,779,452.71/284,500.26
  6. Step 6: Final answer
    x = 214,547.36

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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.