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Finding the Fourth Proportional to 650,408.32, 975,513.80 and 177,130.88

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Solution

The fourth proportional to 650,408.32, 975,513.80 and 177,130.88 is: 265,669.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,408.32 : 975,513.80 = 177,130.88 : x
  2. Step 2: Convert to fraction form
    650,408.32/975,513.80 = 177,130.88/x
  3. Step 3: Cross multiply
    650,408.32x = 975,513.80 × 177,130.88
  4. Step 4: Simplify right side
    650,408.32x = 172,793,617,846.14
  5. Step 5: Solve for x
    x = 172,793,617,846.14/650,408.32
  6. Step 6: Final answer
    x = 265,669.45

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1.5x scale

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.