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Finding the Fourth Proportional to 368,434.23, 508,434.02 and 207,288.89

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Solution

The fourth proportional to 368,434.23, 508,434.02 and 207,288.89 is: 286,055.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,434.23 : 508,434.02 = 207,288.89 : x
  2. Step 2: Convert to fraction form
    368,434.23/508,434.02 = 207,288.89/x
  3. Step 3: Cross multiply
    368,434.23x = 508,434.02 × 207,288.89
  4. Step 4: Simplify right side
    368,434.23x = 105,392,723,644.04
  5. Step 5: Solve for x
    x = 105,392,723,644.04/368,434.23
  6. Step 6: Final answer
    x = 286,055.73

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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.