Home / 459,943.04-689,917.62-160,422.50

Finding the Fourth Proportional to 459,943.04, 689,917.62 and 160,422.50

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Solution

The fourth proportional to 459,943.04, 689,917.62 and 160,422.50 is: 240,634.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,943.04 : 689,917.62 = 160,422.50 : x
  2. Step 2: Convert to fraction form
    459,943.04/689,917.62 = 160,422.50/x
  3. Step 3: Cross multiply
    459,943.04x = 689,917.62 × 160,422.50
  4. Step 4: Simplify right side
    459,943.04x = 110,678,309,394.45
  5. Step 5: Solve for x
    x = 110,678,309,394.45/459,943.04
  6. Step 6: Final answer
    x = 240,634.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.