Home / 302,565.40-453,848.10-80,949.40

Finding the Fourth Proportional to 302,565.40, 453,848.10 and 80,949.40

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Solution

The fourth proportional to 302,565.40, 453,848.10 and 80,949.40 is: 121,424.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,565.40 : 453,848.10 = 80,949.40 : x
  2. Step 2: Convert to fraction form
    302,565.40/453,848.10 = 80,949.40/x
  3. Step 3: Cross multiply
    302,565.40x = 453,848.10 × 80,949.40
  4. Step 4: Simplify right side
    302,565.40x = 36,738,731,386.14
  5. Step 5: Solve for x
    x = 36,738,731,386.14/302,565.40
  6. Step 6: Final answer
    x = 121,424.10

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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.