Home / 401,731.51-554,649.18-248,931.85

Finding the Fourth Proportional to 401,731.51, 554,649.18 and 248,931.85

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Solution

The fourth proportional to 401,731.51, 554,649.18 and 248,931.85 is: 343,686.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,731.51 : 554,649.18 = 248,931.85 : x
  2. Step 2: Convert to fraction form
    401,731.51/554,649.18 = 248,931.85/x
  3. Step 3: Cross multiply
    401,731.51x = 554,649.18 × 248,931.85
  4. Step 4: Simplify right side
    401,731.51x = 138,069,845,091.76
  5. Step 5: Solve for x
    x = 138,069,845,091.76/401,731.51
  6. Step 6: Final answer
    x = 343,686.87

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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.