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Finding the Fourth Proportional to 576,018.06, 864,172.90 and 176,679.16

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Solution

The fourth proportional to 576,018.06, 864,172.90 and 176,679.16 is: 265,063.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,018.06 : 864,172.90 = 176,679.16 : x
  2. Step 2: Convert to fraction form
    576,018.06/864,172.90 = 176,679.16/x
  3. Step 3: Cross multiply
    576,018.06x = 864,172.90 × 176,679.16
  4. Step 4: Simplify right side
    576,018.06x = 152,681,342,066.76
  5. Step 5: Solve for x
    x = 152,681,342,066.76/576,018.06
  6. Step 6: Final answer
    x = 265,063.46

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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.