Home / 302,046.98-453,039.28-102,362.20

Finding the Fourth Proportional to 302,046.98, 453,039.28 and 102,362.20

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Solution

The fourth proportional to 302,046.98, 453,039.28 and 102,362.20 is: 153,532.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,046.98 : 453,039.28 = 102,362.20 : x
  2. Step 2: Convert to fraction form
    302,046.98/453,039.28 = 102,362.20/x
  3. Step 3: Cross multiply
    302,046.98x = 453,039.28 × 102,362.20
  4. Step 4: Simplify right side
    302,046.98x = 46,374,095,998.71
  5. Step 5: Solve for x
    x = 46,374,095,998.71/302,046.98
  6. Step 6: Final answer
    x = 153,532.73

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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.