Home / 345,102.76-517,285.50-246,307.24

Finding the Fourth Proportional to 345,102.76, 517,285.50 and 246,307.24

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Solution

The fourth proportional to 345,102.76, 517,285.50 and 246,307.24 is: 369,197.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,102.76 : 517,285.50 = 246,307.24 : x
  2. Step 2: Convert to fraction form
    345,102.76/517,285.50 = 246,307.24/x
  3. Step 3: Cross multiply
    345,102.76x = 517,285.50 × 246,307.24
  4. Step 4: Simplify right side
    345,102.76x = 127,411,163,797.02
  5. Step 5: Solve for x
    x = 127,411,163,797.02/345,102.76
  6. Step 6: Final answer
    x = 369,197.75

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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.