Home / 297,292.16-446,006.34-128,840.76

Finding the Fourth Proportional to 297,292.16, 446,006.34 and 128,840.76

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Solution

The fourth proportional to 297,292.16, 446,006.34 and 128,840.76 is: 193,290.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,292.16 : 446,006.34 = 128,840.76 : x
  2. Step 2: Convert to fraction form
    297,292.16/446,006.34 = 128,840.76/x
  3. Step 3: Cross multiply
    297,292.16x = 446,006.34 × 128,840.76
  4. Step 4: Simplify right side
    297,292.16x = 57,463,795,810.42
  5. Step 5: Solve for x
    x = 57,463,795,810.42/297,292.16
  6. Step 6: Final answer
    x = 193,290.65

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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.