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Finding the Fourth Proportional to 176,775.08, 265,005.36 and 64,434.20

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Solution

The fourth proportional to 176,775.08, 265,005.36 and 64,434.20 is: 96,593.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,775.08 : 265,005.36 = 64,434.20 : x
  2. Step 2: Convert to fraction form
    176,775.08/265,005.36 = 64,434.20/x
  3. Step 3: Cross multiply
    176,775.08x = 265,005.36 × 64,434.20
  4. Step 4: Simplify right side
    176,775.08x = 17,075,408,367.31
  5. Step 5: Solve for x
    x = 17,075,408,367.31/176,775.08
  6. Step 6: Final answer
    x = 96,593.98

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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.