Home / 401,746.44-602,995.50-212,347.38

Finding the Fourth Proportional to 401,746.44, 602,995.50 and 212,347.38

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Solution

The fourth proportional to 401,746.44, 602,995.50 and 212,347.38 is: 318,719.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,746.44 : 602,995.50 = 212,347.38 : x
  2. Step 2: Convert to fraction form
    401,746.44/602,995.50 = 212,347.38/x
  3. Step 3: Cross multiply
    401,746.44x = 602,995.50 × 212,347.38
  4. Step 4: Simplify right side
    401,746.44x = 128,044,514,576.79
  5. Step 5: Solve for x
    x = 128,044,514,576.79/401,746.44
  6. Step 6: Final answer
    x = 318,719.72

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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.