Home / 291,365.22-437,047.20-91,703.06

Finding the Fourth Proportional to 291,365.22, 437,047.20 and 91,703.06

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Solution

The fourth proportional to 291,365.22, 437,047.20 and 91,703.06 is: 137,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,365.22 : 437,047.20 = 91,703.06 : x
  2. Step 2: Convert to fraction form
    291,365.22/437,047.20 = 91,703.06/x
  3. Step 3: Cross multiply
    291,365.22x = 437,047.20 × 91,703.06
  4. Step 4: Simplify right side
    291,365.22x = 40,078,567,300.67
  5. Step 5: Solve for x
    x = 40,078,567,300.67/291,365.22
  6. Step 6: Final answer
    x = 137,554.40

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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.