Home / 209,274.12-288,728.01-118,622.97

Finding the Fourth Proportional to 209,274.12, 288,728.01 and 118,622.97

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Solution

The fourth proportional to 209,274.12, 288,728.01 and 118,622.97 is: 163,659.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,274.12 : 288,728.01 = 118,622.97 : x
  2. Step 2: Convert to fraction form
    209,274.12/288,728.01 = 118,622.97/x
  3. Step 3: Cross multiply
    209,274.12x = 288,728.01 × 118,622.97
  4. Step 4: Simplify right side
    209,274.12x = 34,249,774,068.39
  5. Step 5: Solve for x
    x = 34,249,774,068.39/209,274.12
  6. Step 6: Final answer
    x = 163,659.86

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1.5x scale

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.