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Finding the Fourth Proportional to 283,312.34, 425,014.66 and 83,652.90

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Solution

The fourth proportional to 283,312.34, 425,014.66 and 83,652.90 is: 125,492.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,312.34 : 425,014.66 = 83,652.90 : x
  2. Step 2: Convert to fraction form
    283,312.34/425,014.66 = 83,652.90/x
  3. Step 3: Cross multiply
    283,312.34x = 425,014.66 × 83,652.90
  4. Step 4: Simplify right side
    283,312.34x = 35,553,708,851.51
  5. Step 5: Solve for x
    x = 35,553,708,851.51/283,312.34
  6. Step 6: Final answer
    x = 125,492.98

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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.