Home / 403,052.18-555,981-251,886.74

Finding the Fourth Proportional to 403,052.18, 555,981 and 251,886.74

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Solution

The fourth proportional to 403,052.18, 555,981 and 251,886.74 is: 347,459.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,052.18 : 555,981 = 251,886.74 : x
  2. Step 2: Convert to fraction form
    403,052.18/555,981 = 251,886.74/x
  3. Step 3: Cross multiply
    403,052.18x = 555,981 × 251,886.74
  4. Step 4: Simplify right side
    403,052.18x = 140,044,238,812.04
  5. Step 5: Solve for x
    x = 140,044,238,812.04/403,052.18
  6. Step 6: Final answer
    x = 347,459.33

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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.