Home / 369,941.46-510,520.96-208,803.30

Finding the Fourth Proportional to 369,941.46, 510,520.96 and 208,803.30

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Solution

The fourth proportional to 369,941.46, 510,520.96 and 208,803.30 is: 288,149.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,941.46 : 510,520.96 = 208,803.30 : x
  2. Step 2: Convert to fraction form
    369,941.46/510,520.96 = 208,803.30/x
  3. Step 3: Cross multiply
    369,941.46x = 510,520.96 × 208,803.30
  4. Step 4: Simplify right side
    369,941.46x = 106,598,461,167.17
  5. Step 5: Solve for x
    x = 106,598,461,167.17/369,941.46
  6. Step 6: Final answer
    x = 288,149.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.