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Finding the Fourth Proportional to 254,038.76, 381,058.32 and 64,513.34

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Solution

The fourth proportional to 254,038.76, 381,058.32 and 64,513.34 is: 96,770.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,038.76 : 381,058.32 = 64,513.34 : x
  2. Step 2: Convert to fraction form
    254,038.76/381,058.32 = 64,513.34/x
  3. Step 3: Cross multiply
    254,038.76x = 381,058.32 × 64,513.34
  4. Step 4: Simplify right side
    254,038.76x = 24,583,344,957.99
  5. Step 5: Solve for x
    x = 24,583,344,957.99/254,038.76
  6. Step 6: Final answer
    x = 96,770.06

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1.5x scale

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.