Home / 242,574.30-363,861.45-217,205.10

Finding the Fourth Proportional to 242,574.30, 363,861.45 and 217,205.10

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Solution

The fourth proportional to 242,574.30, 363,861.45 and 217,205.10 is: 325,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,574.30 : 363,861.45 = 217,205.10 : x
  2. Step 2: Convert to fraction form
    242,574.30/363,861.45 = 217,205.10/x
  3. Step 3: Cross multiply
    242,574.30x = 363,861.45 × 217,205.10
  4. Step 4: Simplify right side
    242,574.30x = 79,032,562,633.40
  5. Step 5: Solve for x
    x = 79,032,562,633.40/242,574.30
  6. Step 6: Final answer
    x = 325,807.65

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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.