Home / 287,852.04-397,226.07-158,795.64

Finding the Fourth Proportional to 287,852.04, 397,226.07 and 158,795.64

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Solution

The fourth proportional to 287,852.04, 397,226.07 and 158,795.64 is: 219,132.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,852.04 : 397,226.07 = 158,795.64 : x
  2. Step 2: Convert to fraction form
    287,852.04/397,226.07 = 158,795.64/x
  3. Step 3: Cross multiply
    287,852.04x = 397,226.07 × 158,795.64
  4. Step 4: Simplify right side
    287,852.04x = 63,077,768,010.33
  5. Step 5: Solve for x
    x = 63,077,768,010.33/287,852.04
  6. Step 6: Final answer
    x = 219,132.61

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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.