Home / 306,444.80-459,667.20-211,966.40

Finding the Fourth Proportional to 306,444.80, 459,667.20 and 211,966.40

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Solution

The fourth proportional to 306,444.80, 459,667.20 and 211,966.40 is: 317,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,444.80 : 459,667.20 = 211,966.40 : x
  2. Step 2: Convert to fraction form
    306,444.80/459,667.20 = 211,966.40/x
  3. Step 3: Cross multiply
    306,444.80x = 459,667.20 × 211,966.40
  4. Step 4: Simplify right side
    306,444.80x = 97,434,001,582.08
  5. Step 5: Solve for x
    x = 97,434,001,582.08/306,444.80
  6. Step 6: Final answer
    x = 317,949.60

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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.