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Finding the Fourth Proportional to 540,560.58, 810,915.36 and 185,528.46

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Solution

The fourth proportional to 540,560.58, 810,915.36 and 185,528.46 is: 278,318.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,560.58 : 810,915.36 = 185,528.46 : x
  2. Step 2: Convert to fraction form
    540,560.58/810,915.36 = 185,528.46/x
  3. Step 3: Cross multiply
    540,560.58x = 810,915.36 × 185,528.46
  4. Step 4: Simplify right side
    540,560.58x = 150,447,877,931.15
  5. Step 5: Solve for x
    x = 150,447,877,931.15/540,560.58
  6. Step 6: Final answer
    x = 278,318.26

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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.