Home / 486,943.02-671,937.66-272,053.26

Finding the Fourth Proportional to 486,943.02, 671,937.66 and 272,053.26

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Solution

The fourth proportional to 486,943.02, 671,937.66 and 272,053.26 is: 375,409.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,943.02 : 671,937.66 = 272,053.26 : x
  2. Step 2: Convert to fraction form
    486,943.02/671,937.66 = 272,053.26/x
  3. Step 3: Cross multiply
    486,943.02x = 671,937.66 × 272,053.26
  4. Step 4: Simplify right side
    486,943.02x = 182,802,830,919.77
  5. Step 5: Solve for x
    x = 182,802,830,919.77/486,943.02
  6. Step 6: Final answer
    x = 375,409.08

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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.