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Finding the Fourth Proportional to 157,477.37, 217,309.39 and 89,484.90

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Solution

The fourth proportional to 157,477.37, 217,309.39 and 89,484.90 is: 123,483.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,477.37 : 217,309.39 = 89,484.90 : x
  2. Step 2: Convert to fraction form
    157,477.37/217,309.39 = 89,484.90/x
  3. Step 3: Cross multiply
    157,477.37x = 217,309.39 × 89,484.90
  4. Step 4: Simplify right side
    157,477.37x = 19,445,909,846.14
  5. Step 5: Solve for x
    x = 19,445,909,846.14/157,477.37
  6. Step 6: Final answer
    x = 123,483.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.