Home / 328,465.18-453,248.04-242,469.88

Finding the Fourth Proportional to 328,465.18, 453,248.04 and 242,469.88

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Solution

The fourth proportional to 328,465.18, 453,248.04 and 242,469.88 is: 334,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,465.18 : 453,248.04 = 242,469.88 : x
  2. Step 2: Convert to fraction form
    328,465.18/453,248.04 = 242,469.88/x
  3. Step 3: Cross multiply
    328,465.18x = 453,248.04 × 242,469.88
  4. Step 4: Simplify right side
    328,465.18x = 109,898,997,869.04
  5. Step 5: Solve for x
    x = 109,898,997,869.04/328,465.18
  6. Step 6: Final answer
    x = 334,583.40

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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.