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Finding the Fourth Proportional to 575,412.80, 863,088.02 and 176,053.64

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Solution

The fourth proportional to 575,412.80, 863,088.02 and 176,053.64 is: 264,070.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,412.80 : 863,088.02 = 176,053.64 : x
  2. Step 2: Convert to fraction form
    575,412.80/863,088.02 = 176,053.64/x
  3. Step 3: Cross multiply
    575,412.80x = 863,088.02 × 176,053.64
  4. Step 4: Simplify right side
    575,412.80x = 151,949,787,561.39
  5. Step 5: Solve for x
    x = 151,949,787,561.39/575,412.80
  6. Step 6: Final answer
    x = 264,070.92

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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.