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Finding the Fourth Proportional to 359,806.63, 496,576.89 and 208,903.63

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Solution

The fourth proportional to 359,806.63, 496,576.89 and 208,903.63 is: 288,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,806.63 : 496,576.89 = 208,903.63 : x
  2. Step 2: Convert to fraction form
    359,806.63/496,576.89 = 208,903.63/x
  3. Step 3: Cross multiply
    359,806.63x = 496,576.89 × 208,903.63
  4. Step 4: Simplify right side
    359,806.63x = 103,736,711,367.71
  5. Step 5: Solve for x
    x = 103,736,711,367.71/359,806.63
  6. Step 6: Final answer
    x = 288,312.40

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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.