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Finding the Fourth Proportional to 302,703.30, 453,860.55 and 125,280.90

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Solution

The fourth proportional to 302,703.30, 453,860.55 and 125,280.90 is: 187,840.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,703.30 : 453,860.55 = 125,280.90 : x
  2. Step 2: Convert to fraction form
    302,703.30/453,860.55 = 125,280.90/x
  3. Step 3: Cross multiply
    302,703.30x = 453,860.55 × 125,280.90
  4. Step 4: Simplify right side
    302,703.30x = 56,860,058,178.50
  5. Step 5: Solve for x
    x = 56,860,058,178.50/302,703.30
  6. Step 6: Final answer
    x = 187,840.89

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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.