Home / 349,014.40-523,603.60-112,348.20

Finding the Fourth Proportional to 349,014.40, 523,603.60 and 112,348.20

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Solution

The fourth proportional to 349,014.40, 523,603.60 and 112,348.20 is: 168,548.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,014.40 : 523,603.60 = 112,348.20 : x
  2. Step 2: Convert to fraction form
    349,014.40/523,603.60 = 112,348.20/x
  3. Step 3: Cross multiply
    349,014.40x = 523,603.60 × 112,348.20
  4. Step 4: Simplify right side
    349,014.40x = 58,825,921,973.52
  5. Step 5: Solve for x
    x = 58,825,921,973.52/349,014.40
  6. Step 6: Final answer
    x = 168,548.70

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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.