Home / 369,705.28-510,216.96-208,501.52

Finding the Fourth Proportional to 369,705.28, 510,216.96 and 208,501.52

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Solution

The fourth proportional to 369,705.28, 510,216.96 and 208,501.52 is: 287,745.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,705.28 : 510,216.96 = 208,501.52 : x
  2. Step 2: Convert to fraction form
    369,705.28/510,216.96 = 208,501.52/x
  3. Step 3: Cross multiply
    369,705.28x = 510,216.96 × 208,501.52
  4. Step 4: Simplify right side
    369,705.28x = 106,381,011,689.78
  5. Step 5: Solve for x
    x = 106,381,011,689.78/369,705.28
  6. Step 6: Final answer
    x = 287,745.45

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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.