Home / 297,312.18-446,036.40-128,860.80

Finding the Fourth Proportional to 297,312.18, 446,036.40 and 128,860.80

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Solution

The fourth proportional to 297,312.18, 446,036.40 and 128,860.80 is: 193,320.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,312.18 : 446,036.40 = 128,860.80 : x
  2. Step 2: Convert to fraction form
    297,312.18/446,036.40 = 128,860.80/x
  3. Step 3: Cross multiply
    297,312.18x = 446,036.40 × 128,860.80
  4. Step 4: Simplify right side
    297,312.18x = 57,476,607,333.12
  5. Step 5: Solve for x
    x = 57,476,607,333.12/297,312.18
  6. Step 6: Final answer
    x = 193,320.73

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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.