Home / 209,271.45-288,804.48-118,629.18

Finding the Fourth Proportional to 209,271.45, 288,804.48 and 118,629.18

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Solution

The fourth proportional to 209,271.45, 288,804.48 and 118,629.18 is: 163,713.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,271.45 : 288,804.48 = 118,629.18 : x
  2. Step 2: Convert to fraction form
    209,271.45/288,804.48 = 118,629.18/x
  3. Step 3: Cross multiply
    209,271.45x = 288,804.48 × 118,629.18
  4. Step 4: Simplify right side
    209,271.45x = 34,260,638,642.73
  5. Step 5: Solve for x
    x = 34,260,638,642.73/209,271.45
  6. Step 6: Final answer
    x = 163,713.87

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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.