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Finding the Fourth Proportional to 302,482.86, 417,555.56 and 215,324.22

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Solution

The fourth proportional to 302,482.86, 417,555.56 and 215,324.22 is: 297,239.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,482.86 : 417,555.56 = 215,324.22 : x
  2. Step 2: Convert to fraction form
    302,482.86/417,555.56 = 215,324.22/x
  3. Step 3: Cross multiply
    302,482.86x = 417,555.56 × 215,324.22
  4. Step 4: Simplify right side
    302,482.86x = 89,909,826,156.61
  5. Step 5: Solve for x
    x = 89,909,826,156.61/302,482.86
  6. Step 6: Final answer
    x = 297,239.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.