Home / 206,875.10-310,312.65-146,513.90

Finding the Fourth Proportional to 206,875.10, 310,312.65 and 146,513.90

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Solution

The fourth proportional to 206,875.10, 310,312.65 and 146,513.90 is: 219,770.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,875.10 : 310,312.65 = 146,513.90 : x
  2. Step 2: Convert to fraction form
    206,875.10/310,312.65 = 146,513.90/x
  3. Step 3: Cross multiply
    206,875.10x = 310,312.65 × 146,513.90
  4. Step 4: Simplify right side
    206,875.10x = 45,465,116,570.84
  5. Step 5: Solve for x
    x = 45,465,116,570.84/206,875.10
  6. Step 6: Final answer
    x = 219,770.85

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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.