Home / 215,406.48-297,263.16-118,619.34

Finding the Fourth Proportional to 215,406.48, 297,263.16 and 118,619.34

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Solution

The fourth proportional to 215,406.48, 297,263.16 and 118,619.34 is: 163,695.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,406.48 : 297,263.16 = 118,619.34 : x
  2. Step 2: Convert to fraction form
    215,406.48/297,263.16 = 118,619.34/x
  3. Step 3: Cross multiply
    215,406.48x = 297,263.16 × 118,619.34
  4. Step 4: Simplify right side
    215,406.48x = 35,261,160,515.43
  5. Step 5: Solve for x
    x = 35,261,160,515.43/215,406.48
  6. Step 6: Final answer
    x = 163,695.91

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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.