Home / 287,852.36-397,238.04-160,536.15

Finding the Fourth Proportional to 287,852.36, 397,238.04 and 160,536.15

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Solution

The fourth proportional to 287,852.36, 397,238.04 and 160,536.15 is: 221,540.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,852.36 : 397,238.04 = 160,536.15 : x
  2. Step 2: Convert to fraction form
    287,852.36/397,238.04 = 160,536.15/x
  3. Step 3: Cross multiply
    287,852.36x = 397,238.04 × 160,536.15
  4. Step 4: Simplify right side
    287,852.36x = 63,771,065,575.15
  5. Step 5: Solve for x
    x = 63,771,065,575.15/287,852.36
  6. Step 6: Final answer
    x = 221,540.89

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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.