Home / 369,844.83-510,398.96-208,690.47

Finding the Fourth Proportional to 369,844.83, 510,398.96 and 208,690.47

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Solution

The fourth proportional to 369,844.83, 510,398.96 and 208,690.47 is: 288,000.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,844.83 : 510,398.96 = 208,690.47 : x
  2. Step 2: Convert to fraction form
    369,844.83/510,398.96 = 208,690.47/x
  3. Step 3: Cross multiply
    369,844.83x = 510,398.96 × 208,690.47
  4. Step 4: Simplify right side
    369,844.83x = 106,515,397,806.46
  5. Step 5: Solve for x
    x = 106,515,397,806.46/369,844.83
  6. Step 6: Final answer
    x = 288,000.23

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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.