Home / 459,009.90-688,624.20-222,157.80

Finding the Fourth Proportional to 459,009.90, 688,624.20 and 222,157.80

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Solution

The fourth proportional to 459,009.90, 688,624.20 and 222,157.80 is: 333,289.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,009.90 : 688,624.20 = 222,157.80 : x
  2. Step 2: Convert to fraction form
    459,009.90/688,624.20 = 222,157.80/x
  3. Step 3: Cross multiply
    459,009.90x = 688,624.20 × 222,157.80
  4. Step 4: Simplify right side
    459,009.90x = 152,983,237,298.76
  5. Step 5: Solve for x
    x = 152,983,237,298.76/459,009.90
  6. Step 6: Final answer
    x = 333,289.62

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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.