Home / 642,059.18-963,152.46-237,357.42

Finding the Fourth Proportional to 642,059.18, 963,152.46 and 237,357.42

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Solution

The fourth proportional to 642,059.18, 963,152.46 and 237,357.42 is: 356,059.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,059.18 : 963,152.46 = 237,357.42 : x
  2. Step 2: Convert to fraction form
    642,059.18/963,152.46 = 237,357.42/x
  3. Step 3: Cross multiply
    642,059.18x = 963,152.46 × 237,357.42
  4. Step 4: Simplify right side
    642,059.18x = 228,611,382,972.25
  5. Step 5: Solve for x
    x = 228,611,382,972.25/642,059.18
  6. Step 6: Final answer
    x = 356,059.68

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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.