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Finding the Fourth Proportional to 370,045.22, 510,658.76 and 208,896.80

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Solution

The fourth proportional to 370,045.22, 510,658.76 and 208,896.80 is: 288,275.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,045.22 : 510,658.76 = 208,896.80 : x
  2. Step 2: Convert to fraction form
    370,045.22/510,658.76 = 208,896.80/x
  3. Step 3: Cross multiply
    370,045.22x = 510,658.76 × 208,896.80
  4. Step 4: Simplify right side
    370,045.22x = 106,674,978,824.92
  5. Step 5: Solve for x
    x = 106,674,978,824.92/370,045.22
  6. Step 6: Final answer
    x = 288,275.53

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1.5x scale

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.