Home / 369,613.27-510,035.65-208,507.91

Finding the Fourth Proportional to 369,613.27, 510,035.65 and 208,507.91

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Solution

The fourth proportional to 369,613.27, 510,035.65 and 208,507.91 is: 287,723.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,613.27 : 510,035.65 = 208,507.91 : x
  2. Step 2: Convert to fraction form
    369,613.27/510,035.65 = 208,507.91/x
  3. Step 3: Cross multiply
    369,613.27x = 510,035.65 × 208,507.91
  4. Step 4: Simplify right side
    369,613.27x = 106,346,467,406.99
  5. Step 5: Solve for x
    x = 106,346,467,406.99/369,613.27
  6. Step 6: Final answer
    x = 287,723.62

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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.