Home / 486,974.51-672,011.93-272,116.34

Finding the Fourth Proportional to 486,974.51, 672,011.93 and 272,116.34

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Solution

The fourth proportional to 486,974.51, 672,011.93 and 272,116.34 is: 375,513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,974.51 : 672,011.93 = 272,116.34 : x
  2. Step 2: Convert to fraction form
    486,974.51/672,011.93 = 272,116.34/x
  3. Step 3: Cross multiply
    486,974.51x = 672,011.93 × 272,116.34
  4. Step 4: Simplify right side
    486,974.51x = 182,865,426,827.94
  5. Step 5: Solve for x
    x = 182,865,426,827.94/486,974.51
  6. Step 6: Final answer
    x = 375,513.34

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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.