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Finding the Fourth Proportional to 313,337.40, 470,006.10 and 194,947.80

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Solution

The fourth proportional to 313,337.40, 470,006.10 and 194,947.80 is: 292,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,337.40 : 470,006.10 = 194,947.80 : x
  2. Step 2: Convert to fraction form
    313,337.40/470,006.10 = 194,947.80/x
  3. Step 3: Cross multiply
    313,337.40x = 470,006.10 × 194,947.80
  4. Step 4: Simplify right side
    313,337.40x = 91,626,655,181.58
  5. Step 5: Solve for x
    x = 91,626,655,181.58/313,337.40
  6. Step 6: Final answer
    x = 292,421.70

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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.