Home / 289,311.10-433,966.65-102,298.30

Finding the Fourth Proportional to 289,311.10, 433,966.65 and 102,298.30

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Solution

The fourth proportional to 289,311.10, 433,966.65 and 102,298.30 is: 153,447.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,311.10 : 433,966.65 = 102,298.30 : x
  2. Step 2: Convert to fraction form
    289,311.10/433,966.65 = 102,298.30/x
  3. Step 3: Cross multiply
    289,311.10x = 433,966.65 × 102,298.30
  4. Step 4: Simplify right side
    289,311.10x = 44,394,050,551.70
  5. Step 5: Solve for x
    x = 44,394,050,551.70/289,311.10
  6. Step 6: Final answer
    x = 153,447.45

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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.