Home / 213,953.16-320,864.04-147,818.28

Finding the Fourth Proportional to 213,953.16, 320,864.04 and 147,818.28

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Solution

The fourth proportional to 213,953.16, 320,864.04 and 147,818.28 is: 221,682.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,953.16 : 320,864.04 = 147,818.28 : x
  2. Step 2: Convert to fraction form
    213,953.16/320,864.04 = 147,818.28/x
  3. Step 3: Cross multiply
    213,953.16x = 320,864.04 × 147,818.28
  4. Step 4: Simplify right side
    213,953.16x = 47,429,570,506.65
  5. Step 5: Solve for x
    x = 47,429,570,506.65/213,953.16
  6. Step 6: Final answer
    x = 221,682.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.