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Finding the Fourth Proportional to 293,807.08, 440,642.46 and 143,897.80

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Solution

The fourth proportional to 293,807.08, 440,642.46 and 143,897.80 is: 215,813.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,807.08 : 440,642.46 = 143,897.80 : x
  2. Step 2: Convert to fraction form
    293,807.08/440,642.46 = 143,897.80/x
  3. Step 3: Cross multiply
    293,807.08x = 440,642.46 × 143,897.80
  4. Step 4: Simplify right side
    293,807.08x = 63,407,480,580.59
  5. Step 5: Solve for x
    x = 63,407,480,580.59/293,807.08
  6. Step 6: Final answer
    x = 215,813.32

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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.