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Finding the Fourth Proportional to 259,689.86, 358,378.06 and 162,897.84

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Solution

The fourth proportional to 259,689.86, 358,378.06 and 162,897.84 is: 224,802.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,689.86 : 358,378.06 = 162,897.84 : x
  2. Step 2: Convert to fraction form
    259,689.86/358,378.06 = 162,897.84/x
  3. Step 3: Cross multiply
    259,689.86x = 358,378.06 × 162,897.84
  4. Step 4: Simplify right side
    259,689.86x = 58,379,011,877.39
  5. Step 5: Solve for x
    x = 58,379,011,877.39/259,689.86
  6. Step 6: Final answer
    x = 224,802.82

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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.