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Finding the Fourth Proportional to 302,511.30, 453,810.15 and 102,840.90

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Solution

The fourth proportional to 302,511.30, 453,810.15 and 102,840.90 is: 154,276.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,511.30 : 453,810.15 = 102,840.90 : x
  2. Step 2: Convert to fraction form
    302,511.30/453,810.15 = 102,840.90/x
  3. Step 3: Cross multiply
    302,511.30x = 453,810.15 × 102,840.90
  4. Step 4: Simplify right side
    302,511.30x = 46,670,244,255.14
  5. Step 5: Solve for x
    x = 46,670,244,255.14/302,511.30
  6. Step 6: Final answer
    x = 154,276.04

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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.