Home / 302,565.60-453,848.40-103,111.20

Finding the Fourth Proportional to 302,565.60, 453,848.40 and 103,111.20

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Solution

The fourth proportional to 302,565.60, 453,848.40 and 103,111.20 is: 154,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,565.60 : 453,848.40 = 103,111.20 : x
  2. Step 2: Convert to fraction form
    302,565.60/453,848.40 = 103,111.20/x
  3. Step 3: Cross multiply
    302,565.60x = 453,848.40 × 103,111.20
  4. Step 4: Simplify right side
    302,565.60x = 46,796,853,142.08
  5. Step 5: Solve for x
    x = 46,796,853,142.08/302,565.60
  6. Step 6: Final answer
    x = 154,666.80

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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.