Home / 315,214.47-435,008.18-179,260.83

Finding the Fourth Proportional to 315,214.47, 435,008.18 and 179,260.83

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Solution

The fourth proportional to 315,214.47, 435,008.18 and 179,260.83 is: 247,386.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,214.47 : 435,008.18 = 179,260.83 : x
  2. Step 2: Convert to fraction form
    315,214.47/435,008.18 = 179,260.83/x
  3. Step 3: Cross multiply
    315,214.47x = 435,008.18 × 179,260.83
  4. Step 4: Simplify right side
    315,214.47x = 77,979,927,403.59
  5. Step 5: Solve for x
    x = 77,979,927,403.59/315,214.47
  6. Step 6: Final answer
    x = 247,386.89

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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.