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Finding the Fourth Proportional to 374,166.32, 561,254.34 and 124,848.32

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Solution

The fourth proportional to 374,166.32, 561,254.34 and 124,848.32 is: 187,274.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,166.32 : 561,254.34 = 124,848.32 : x
  2. Step 2: Convert to fraction form
    374,166.32/561,254.34 = 124,848.32/x
  3. Step 3: Cross multiply
    374,166.32x = 561,254.34 × 124,848.32
  4. Step 4: Simplify right side
    374,166.32x = 70,071,658,011.20
  5. Step 5: Solve for x
    x = 70,071,658,011.20/374,166.32
  6. Step 6: Final answer
    x = 187,274.09

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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.