Home / 253,605.02-349,985.48-140,427.77

Finding the Fourth Proportional to 253,605.02, 349,985.48 and 140,427.77

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Solution

The fourth proportional to 253,605.02, 349,985.48 and 140,427.77 is: 193,796.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,605.02 : 349,985.48 = 140,427.77 : x
  2. Step 2: Convert to fraction form
    253,605.02/349,985.48 = 140,427.77/x
  3. Step 3: Cross multiply
    253,605.02x = 349,985.48 × 140,427.77
  4. Step 4: Simplify right side
    253,605.02x = 49,147,678,036.71
  5. Step 5: Solve for x
    x = 49,147,678,036.71/253,605.02
  6. Step 6: Final answer
    x = 193,796.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.