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Finding the Fourth Proportional to 576,026.61, 864,045.05 and 176,669.25

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Solution

The fourth proportional to 576,026.61, 864,045.05 and 176,669.25 is: 265,005.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,026.61 : 864,045.05 = 176,669.25 : x
  2. Step 2: Convert to fraction form
    576,026.61/864,045.05 = 176,669.25/x
  3. Step 3: Cross multiply
    576,026.61x = 864,045.05 × 176,669.25
  4. Step 4: Simplify right side
    576,026.61x = 152,650,190,066.37
  5. Step 5: Solve for x
    x = 152,650,190,066.37/576,026.61
  6. Step 6: Final answer
    x = 265,005.45

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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.