Home / 302,579.80-453,869.70-288,064.60

Finding the Fourth Proportional to 302,579.80, 453,869.70 and 288,064.60

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Solution

The fourth proportional to 302,579.80, 453,869.70 and 288,064.60 is: 432,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,579.80 : 453,869.70 = 288,064.60 : x
  2. Step 2: Convert to fraction form
    302,579.80/453,869.70 = 288,064.60/x
  3. Step 3: Cross multiply
    302,579.80x = 453,869.70 × 288,064.60
  4. Step 4: Simplify right side
    302,579.80x = 130,743,793,582.62
  5. Step 5: Solve for x
    x = 130,743,793,582.62/302,579.80
  6. Step 6: Final answer
    x = 432,096.90

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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.