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Finding the Fourth Proportional to 291,628.27, 402,447.05 and 157,492.27

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Solution

The fourth proportional to 291,628.27, 402,447.05 and 157,492.27 is: 217,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,628.27 : 402,447.05 = 157,492.27 : x
  2. Step 2: Convert to fraction form
    291,628.27/402,447.05 = 157,492.27/x
  3. Step 3: Cross multiply
    291,628.27x = 402,447.05 × 157,492.27
  4. Step 4: Simplify right side
    291,628.27x = 63,382,299,459.30
  5. Step 5: Solve for x
    x = 63,382,299,459.30/291,628.27
  6. Step 6: Final answer
    x = 217,339.35

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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.