Home / 302,341.64-453,537.60-91,981.40

Finding the Fourth Proportional to 302,341.64, 453,537.60 and 91,981.40

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Solution

The fourth proportional to 302,341.64, 453,537.60 and 91,981.40 is: 137,979.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,341.64 : 453,537.60 = 91,981.40 : x
  2. Step 2: Convert to fraction form
    302,341.64/453,537.60 = 91,981.40/x
  3. Step 3: Cross multiply
    302,341.64x = 453,537.60 × 91,981.40
  4. Step 4: Simplify right side
    302,341.64x = 41,717,023,400.64
  5. Step 5: Solve for x
    x = 41,717,023,400.64/302,341.64
  6. Step 6: Final answer
    x = 137,979.75

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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.