Home / 287,182.66-430,897-118,825.37

Finding the Fourth Proportional to 287,182.66, 430,897 and 118,825.37

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Solution

The fourth proportional to 287,182.66, 430,897 and 118,825.37 is: 178,288.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,182.66 : 430,897 = 118,825.37 : x
  2. Step 2: Convert to fraction form
    287,182.66/430,897 = 118,825.37/x
  3. Step 3: Cross multiply
    287,182.66x = 430,897 × 118,825.37
  4. Step 4: Simplify right side
    287,182.66x = 51,201,495,456.89
  5. Step 5: Solve for x
    x = 51,201,495,456.89/287,182.66
  6. Step 6: Final answer
    x = 178,288.96

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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.