Home / 282,583.62-423,875.64-72,221.76

Finding the Fourth Proportional to 282,583.62, 423,875.64 and 72,221.76

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Solution

The fourth proportional to 282,583.62, 423,875.64 and 72,221.76 is: 108,332.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,583.62 : 423,875.64 = 72,221.76 : x
  2. Step 2: Convert to fraction form
    282,583.62/423,875.64 = 72,221.76/x
  3. Step 3: Cross multiply
    282,583.62x = 423,875.64 × 72,221.76
  4. Step 4: Simplify right side
    282,583.62x = 30,613,044,741.93
  5. Step 5: Solve for x
    x = 30,613,044,741.93/282,583.62
  6. Step 6: Final answer
    x = 108,332.69

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1.5x scale

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.