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Finding the Fourth Proportional to 302,873.40, 453,818.03 and 260,554.95

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Solution

The fourth proportional to 302,873.40, 453,818.03 and 260,554.95 is: 390,409.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,873.40 : 453,818.03 = 260,554.95 : x
  2. Step 2: Convert to fraction form
    302,873.40/453,818.03 = 260,554.95/x
  3. Step 3: Cross multiply
    302,873.40x = 453,818.03 × 260,554.95
  4. Step 4: Simplify right side
    302,873.40x = 118,244,532,812.97
  5. Step 5: Solve for x
    x = 118,244,532,812.97/302,873.40
  6. Step 6: Final answer
    x = 390,409.10

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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.