Home / 657,387.95-986,084.75-208,110.98

Finding the Fourth Proportional to 657,387.95, 986,084.75 and 208,110.98

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Solution

The fourth proportional to 657,387.95, 986,084.75 and 208,110.98 is: 312,167.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,387.95 : 986,084.75 = 208,110.98 : x
  2. Step 2: Convert to fraction form
    657,387.95/986,084.75 = 208,110.98/x
  3. Step 3: Cross multiply
    657,387.95x = 986,084.75 × 208,110.98
  4. Step 4: Simplify right side
    657,387.95x = 205,215,066,671.04
  5. Step 5: Solve for x
    x = 205,215,066,671.04/657,387.95
  6. Step 6: Final answer
    x = 312,167.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.