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Finding the Fourth Proportional to 651,950.10, 978,160.05 and 292,091.40

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Solution

The fourth proportional to 651,950.10, 978,160.05 and 292,091.40 is: 438,242.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,950.10 : 978,160.05 = 292,091.40 : x
  2. Step 2: Convert to fraction form
    651,950.10/978,160.05 = 292,091.40/x
  3. Step 3: Cross multiply
    651,950.10x = 978,160.05 × 292,091.40
  4. Step 4: Simplify right side
    651,950.10x = 285,712,138,428.57
  5. Step 5: Solve for x
    x = 285,712,138,428.57/651,950.10
  6. Step 6: Final answer
    x = 438,242.34

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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.