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Finding the Fourth Proportional to 175,495.70, 262,475.55 and 156,910.10

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Solution

The fourth proportional to 175,495.70, 262,475.55 and 156,910.10 is: 234,678.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,495.70 : 262,475.55 = 156,910.10 : x
  2. Step 2: Convert to fraction form
    175,495.70/262,475.55 = 156,910.10/x
  3. Step 3: Cross multiply
    175,495.70x = 262,475.55 × 156,910.10
  4. Step 4: Simplify right side
    175,495.70x = 41,185,064,798.06
  5. Step 5: Solve for x
    x = 41,185,064,798.06/175,495.70
  6. Step 6: Final answer
    x = 234,678.48

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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.