Home / 260,949.81-360,077.07-153,480.63

Finding the Fourth Proportional to 260,949.81, 360,077.07 and 153,480.63

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Solution

The fourth proportional to 260,949.81, 360,077.07 and 153,480.63 is: 211,783.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,949.81 : 360,077.07 = 153,480.63 : x
  2. Step 2: Convert to fraction form
    260,949.81/360,077.07 = 153,480.63/x
  3. Step 3: Cross multiply
    260,949.81x = 360,077.07 × 153,480.63
  4. Step 4: Simplify right side
    260,949.81x = 55,264,855,552.15
  5. Step 5: Solve for x
    x = 55,264,855,552.15/260,949.81
  6. Step 6: Final answer
    x = 211,783.47

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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.