Home / 369,338.27-509,656.19-208,232.91

Finding the Fourth Proportional to 369,338.27, 509,656.19 and 208,232.91

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Solution

The fourth proportional to 369,338.27, 509,656.19 and 208,232.91 is: 287,344.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,338.27 : 509,656.19 = 208,232.91 : x
  2. Step 2: Convert to fraction form
    369,338.27/509,656.19 = 208,232.91/x
  3. Step 3: Cross multiply
    369,338.27x = 509,656.19 × 208,232.91
  4. Step 4: Simplify right side
    369,338.27x = 106,127,190,502.05
  5. Step 5: Solve for x
    x = 106,127,190,502.05/369,338.27
  6. Step 6: Final answer
    x = 287,344.15

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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.