Home / 388,631.98-582,947.96-151,808.57

Finding the Fourth Proportional to 388,631.98, 582,947.96 and 151,808.57

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Solution

The fourth proportional to 388,631.98, 582,947.96 and 151,808.57 is: 227,712.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,631.98 : 582,947.96 = 151,808.57 : x
  2. Step 2: Convert to fraction form
    388,631.98/582,947.96 = 151,808.57/x
  3. Step 3: Cross multiply
    388,631.98x = 582,947.96 × 151,808.57
  4. Step 4: Simplify right side
    388,631.98x = 88,496,492,518.23
  5. Step 5: Solve for x
    x = 88,496,492,518.23/388,631.98
  6. Step 6: Final answer
    x = 227,712.84

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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.