Home / 539,034.04-808,547.70-139,673.80

Finding the Fourth Proportional to 539,034.04, 808,547.70 and 139,673.80

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Solution

The fourth proportional to 539,034.04, 808,547.70 and 139,673.80 is: 209,509.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,034.04 : 808,547.70 = 139,673.80 : x
  2. Step 2: Convert to fraction form
    539,034.04/808,547.70 = 139,673.80/x
  3. Step 3: Cross multiply
    539,034.04x = 808,547.70 × 139,673.80
  4. Step 4: Simplify right side
    539,034.04x = 112,932,929,740.26
  5. Step 5: Solve for x
    x = 112,932,929,740.26/539,034.04
  6. Step 6: Final answer
    x = 209,509.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.