Home / 340,282.32-510,047.60-140,492.56

Finding the Fourth Proportional to 340,282.32, 510,047.60 and 140,492.56

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Solution

The fourth proportional to 340,282.32, 510,047.60 and 140,492.56 is: 210,583.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,282.32 : 510,047.60 = 140,492.56 : x
  2. Step 2: Convert to fraction form
    340,282.32/510,047.60 = 140,492.56/x
  3. Step 3: Cross multiply
    340,282.32x = 510,047.60 × 140,492.56
  4. Step 4: Simplify right side
    340,282.32x = 71,657,893,045.86
  5. Step 5: Solve for x
    x = 71,657,893,045.86/340,282.32
  6. Step 6: Final answer
    x = 210,583.65

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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.