Home / 287,877.22-397,271.25-160,561.01

Finding the Fourth Proportional to 287,877.22, 397,271.25 and 160,561.01

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Solution

The fourth proportional to 287,877.22, 397,271.25 and 160,561.01 is: 221,574.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,877.22 : 397,271.25 = 160,561.01 : x
  2. Step 2: Convert to fraction form
    287,877.22/397,271.25 = 160,561.01/x
  3. Step 3: Cross multiply
    287,877.22x = 397,271.25 × 160,561.01
  4. Step 4: Simplify right side
    287,877.22x = 63,786,274,137.14
  5. Step 5: Solve for x
    x = 63,786,274,137.14/287,877.22
  6. Step 6: Final answer
    x = 221,574.58

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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.