Home / 370,112.60-555,428.10-237,315.80

Finding the Fourth Proportional to 370,112.60, 555,428.10 and 237,315.80

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Solution

The fourth proportional to 370,112.60, 555,428.10 and 237,315.80 is: 356,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,112.60 : 555,428.10 = 237,315.80 : x
  2. Step 2: Convert to fraction form
    370,112.60/555,428.10 = 237,315.80/x
  3. Step 3: Cross multiply
    370,112.60x = 555,428.10 × 237,315.80
  4. Step 4: Simplify right side
    370,112.60x = 131,811,863,893.98
  5. Step 5: Solve for x
    x = 131,811,863,893.98/370,112.60
  6. Step 6: Final answer
    x = 356,139.90

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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.