Home / 423,058.14-634,589.37-142,577.82

Finding the Fourth Proportional to 423,058.14, 634,589.37 and 142,577.82

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Solution

The fourth proportional to 423,058.14, 634,589.37 and 142,577.82 is: 213,867.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,058.14 : 634,589.37 = 142,577.82 : x
  2. Step 2: Convert to fraction form
    423,058.14/634,589.37 = 142,577.82/x
  3. Step 3: Cross multiply
    423,058.14x = 634,589.37 × 142,577.82
  4. Step 4: Simplify right side
    423,058.14x = 90,478,368,969.77
  5. Step 5: Solve for x
    x = 90,478,368,969.77/423,058.14
  6. Step 6: Final answer
    x = 213,867.46

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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.