Home / 362,657.32-500,437.75-209,705.43

Finding the Fourth Proportional to 362,657.32, 500,437.75 and 209,705.43

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Solution

The fourth proportional to 362,657.32, 500,437.75 and 209,705.43 is: 289,376.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,657.32 : 500,437.75 = 209,705.43 : x
  2. Step 2: Convert to fraction form
    362,657.32/500,437.75 = 209,705.43/x
  3. Step 3: Cross multiply
    362,657.32x = 500,437.75 × 209,705.43
  4. Step 4: Simplify right side
    362,657.32x = 104,944,513,551.98
  5. Step 5: Solve for x
    x = 104,944,513,551.98/362,657.32
  6. Step 6: Final answer
    x = 289,376.52

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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.