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Finding the Fourth Proportional to 310,206.92, 465,312.80 and 169,889.00

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Solution

The fourth proportional to 310,206.92, 465,312.80 and 169,889.00 is: 254,834.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,206.92 : 465,312.80 = 169,889.00 : x
  2. Step 2: Convert to fraction form
    310,206.92/465,312.80 = 169,889.00/x
  3. Step 3: Cross multiply
    310,206.92x = 465,312.80 × 169,889.00
  4. Step 4: Simplify right side
    310,206.92x = 79,051,524,377.36
  5. Step 5: Solve for x
    x = 79,051,524,377.36/310,206.92
  6. Step 6: Final answer
    x = 254,834.82

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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.