Home / 369,764.19-510,274.49-208,617.80

Finding the Fourth Proportional to 369,764.19, 510,274.49 and 208,617.80

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Solution

The fourth proportional to 369,764.19, 510,274.49 and 208,617.80 is: 287,892.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,764.19 : 510,274.49 = 208,617.80 : x
  2. Step 2: Convert to fraction form
    369,764.19/510,274.49 = 208,617.80/x
  3. Step 3: Cross multiply
    369,764.19x = 510,274.49 × 208,617.80
  4. Step 4: Simplify right side
    369,764.19x = 106,452,337,905.46
  5. Step 5: Solve for x
    x = 106,452,337,905.46/369,764.19
  6. Step 6: Final answer
    x = 287,892.50

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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.