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Finding the Fourth Proportional to 259,018.45, 357,350.65 and 156,970.29

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Solution

The fourth proportional to 259,018.45, 357,350.65 and 156,970.29 is: 216,561.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,018.45 : 357,350.65 = 156,970.29 : x
  2. Step 2: Convert to fraction form
    259,018.45/357,350.65 = 156,970.29/x
  3. Step 3: Cross multiply
    259,018.45x = 357,350.65 × 156,970.29
  4. Step 4: Simplify right side
    259,018.45x = 56,093,435,162.19
  5. Step 5: Solve for x
    x = 56,093,435,162.19/259,018.45
  6. Step 6: Final answer
    x = 216,561.54

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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.