Home / 362,139.93-499,814.95-209,150.62

Finding the Fourth Proportional to 362,139.93, 499,814.95 and 209,150.62

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Solution

The fourth proportional to 362,139.93, 499,814.95 and 209,150.62 is: 288,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,139.93 : 499,814.95 = 209,150.62 : x
  2. Step 2: Convert to fraction form
    362,139.93/499,814.95 = 209,150.62/x
  3. Step 3: Cross multiply
    362,139.93x = 499,814.95 × 209,150.62
  4. Step 4: Simplify right side
    362,139.93x = 104,536,604,905.36
  5. Step 5: Solve for x
    x = 104,536,604,905.36/362,139.93
  6. Step 6: Final answer
    x = 288,663.57

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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.