Home / 306,890.10-460,039.87-157,200.89

Finding the Fourth Proportional to 306,890.10, 460,039.87 and 157,200.89

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Solution

The fourth proportional to 306,890.10, 460,039.87 and 157,200.89 is: 235,650.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,890.10 : 460,039.87 = 157,200.89 : x
  2. Step 2: Convert to fraction form
    306,890.10/460,039.87 = 157,200.89/x
  3. Step 3: Cross multiply
    306,890.10x = 460,039.87 × 157,200.89
  4. Step 4: Simplify right side
    306,890.10x = 72,318,674,895.79
  5. Step 5: Solve for x
    x = 72,318,674,895.79/306,890.10
  6. Step 6: Final answer
    x = 235,650.07

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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.