Home / 438,027.40-657,259.80-248,633.20

Finding the Fourth Proportional to 438,027.40, 657,259.80 and 248,633.20

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Solution

The fourth proportional to 438,027.40, 657,259.80 and 248,633.20 is: 373,073.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,027.40 : 657,259.80 = 248,633.20 : x
  2. Step 2: Convert to fraction form
    438,027.40/657,259.80 = 248,633.20/x
  3. Step 3: Cross multiply
    438,027.40x = 657,259.80 × 248,633.20
  4. Step 4: Simplify right side
    438,027.40x = 163,416,607,305.36
  5. Step 5: Solve for x
    x = 163,416,607,305.36/438,027.40
  6. Step 6: Final answer
    x = 373,073.94

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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.