Home / 245,271.16-338,263.44-159,145.30

Finding the Fourth Proportional to 245,271.16, 338,263.44 and 159,145.30

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Solution

The fourth proportional to 245,271.16, 338,263.44 and 159,145.30 is: 219,483.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,271.16 : 338,263.44 = 159,145.30 : x
  2. Step 2: Convert to fraction form
    245,271.16/338,263.44 = 159,145.30/x
  3. Step 3: Cross multiply
    245,271.16x = 338,263.44 × 159,145.30
  4. Step 4: Simplify right side
    245,271.16x = 53,833,036,637.83
  5. Step 5: Solve for x
    x = 53,833,036,637.83/245,271.16
  6. Step 6: Final answer
    x = 219,483.76

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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.