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Finding the Fourth Proportional to 370,277.06, 510,600.12 and 316,739.30

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Solution

The fourth proportional to 370,277.06, 510,600.12 and 316,739.30 is: 436,773.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,277.06 : 510,600.12 = 316,739.30 : x
  2. Step 2: Convert to fraction form
    370,277.06/510,600.12 = 316,739.30/x
  3. Step 3: Cross multiply
    370,277.06x = 510,600.12 × 316,739.30
  4. Step 4: Simplify right side
    370,277.06x = 161,727,124,588.72
  5. Step 5: Solve for x
    x = 161,727,124,588.72/370,277.06
  6. Step 6: Final answer
    x = 436,773.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.