Home / 305,334.10-458,001.15-210,855.70

Finding the Fourth Proportional to 305,334.10, 458,001.15 and 210,855.70

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Solution

The fourth proportional to 305,334.10, 458,001.15 and 210,855.70 is: 316,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,334.10 : 458,001.15 = 210,855.70 : x
  2. Step 2: Convert to fraction form
    305,334.10/458,001.15 = 210,855.70/x
  3. Step 3: Cross multiply
    305,334.10x = 458,001.15 × 210,855.70
  4. Step 4: Simplify right side
    305,334.10x = 96,572,153,084.06
  5. Step 5: Solve for x
    x = 96,572,153,084.06/305,334.10
  6. Step 6: Final answer
    x = 316,283.55

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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.