Home / 315,828.53-473,817.15-102,595.76

Finding the Fourth Proportional to 315,828.53, 473,817.15 and 102,595.76

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Solution

The fourth proportional to 315,828.53, 473,817.15 and 102,595.76 is: 153,917.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,828.53 : 473,817.15 = 102,595.76 : x
  2. Step 2: Convert to fraction form
    315,828.53/473,817.15 = 102,595.76/x
  3. Step 3: Cross multiply
    315,828.53x = 473,817.15 × 102,595.76
  4. Step 4: Simplify right side
    315,828.53x = 48,611,630,605.28
  5. Step 5: Solve for x
    x = 48,611,630,605.28/315,828.53
  6. Step 6: Final answer
    x = 153,917.79

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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.