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Finding the Fourth Proportional to 302,859.60, 453,779.10 and 239,436.60

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Solution

The fourth proportional to 302,859.60, 453,779.10 and 239,436.60 is: 358,751.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,859.60 : 453,779.10 = 239,436.60 : x
  2. Step 2: Convert to fraction form
    302,859.60/453,779.10 = 239,436.60/x
  3. Step 3: Cross multiply
    302,859.60x = 453,779.10 × 239,436.60
  4. Step 4: Simplify right side
    302,859.60x = 108,651,324,855.06
  5. Step 5: Solve for x
    x = 108,651,324,855.06/302,859.60
  6. Step 6: Final answer
    x = 358,751.46

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1.5x scale

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.