Home / 293,150.40-440,017.20-143,559.60

Finding the Fourth Proportional to 293,150.40, 440,017.20 and 143,559.60

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Solution

The fourth proportional to 293,150.40, 440,017.20 and 143,559.60 is: 215,482.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,150.40 : 440,017.20 = 143,559.60 : x
  2. Step 2: Convert to fraction form
    293,150.40/440,017.20 = 143,559.60/x
  3. Step 3: Cross multiply
    293,150.40x = 440,017.20 × 143,559.60
  4. Step 4: Simplify right side
    293,150.40x = 63,168,693,225.12
  5. Step 5: Solve for x
    x = 63,168,693,225.12/293,150.40
  6. Step 6: Final answer
    x = 215,482.20

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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.