Home / 215,407.48-297,264.54-118,620.34

Finding the Fourth Proportional to 215,407.48, 297,264.54 and 118,620.34

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Solution

The fourth proportional to 215,407.48, 297,264.54 and 118,620.34 is: 163,697.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,407.48 : 297,264.54 = 118,620.34 : x
  2. Step 2: Convert to fraction form
    215,407.48/297,264.54 = 118,620.34/x
  3. Step 3: Cross multiply
    215,407.48x = 297,264.54 × 118,620.34
  4. Step 4: Simplify right side
    215,407.48x = 35,261,620,804.74
  5. Step 5: Solve for x
    x = 35,261,620,804.74/215,407.48
  6. Step 6: Final answer
    x = 163,697.29

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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.