Home / 291,345.26-437,018.02-80,985.02

Finding the Fourth Proportional to 291,345.26, 437,018.02 and 80,985.02

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Solution

The fourth proportional to 291,345.26, 437,018.02 and 80,985.02 is: 121,477.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,345.26 : 437,018.02 = 80,985.02 : x
  2. Step 2: Convert to fraction form
    291,345.26/437,018.02 = 80,985.02/x
  3. Step 3: Cross multiply
    291,345.26x = 437,018.02 × 80,985.02
  4. Step 4: Simplify right side
    291,345.26x = 35,391,913,090.06
  5. Step 5: Solve for x
    x = 35,391,913,090.06/291,345.26
  6. Step 6: Final answer
    x = 121,477.57

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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.