Home / 374,988.18-517,470.93-213,895.38

Finding the Fourth Proportional to 374,988.18, 517,470.93 and 213,895.38

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Solution

The fourth proportional to 374,988.18, 517,470.93 and 213,895.38 is: 295,168.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,988.18 : 517,470.93 = 213,895.38 : x
  2. Step 2: Convert to fraction form
    374,988.18/517,470.93 = 213,895.38/x
  3. Step 3: Cross multiply
    374,988.18x = 517,470.93 × 213,895.38
  4. Step 4: Simplify right side
    374,988.18x = 110,684,641,211.30
  5. Step 5: Solve for x
    x = 110,684,641,211.30/374,988.18
  6. Step 6: Final answer
    x = 295,168.35

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1.5x scale

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.