Home / 292,488.15-438,676.74-142,577.67

Finding the Fourth Proportional to 292,488.15, 438,676.74 and 142,577.67

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Solution

The fourth proportional to 292,488.15, 438,676.74 and 142,577.67 is: 213,839.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,488.15 : 438,676.74 = 142,577.67 : x
  2. Step 2: Convert to fraction form
    292,488.15/438,676.74 = 142,577.67/x
  3. Step 3: Cross multiply
    292,488.15x = 438,676.74 × 142,577.67
  4. Step 4: Simplify right side
    292,488.15x = 62,545,509,001.79
  5. Step 5: Solve for x
    x = 62,545,509,001.79/292,488.15
  6. Step 6: Final answer
    x = 213,839.46

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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.