Home / 380,714.17-525,377.95-210,949.69

Finding the Fourth Proportional to 380,714.17, 525,377.95 and 210,949.69

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Solution

The fourth proportional to 380,714.17, 525,377.95 and 210,949.69 is: 291,106.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,714.17 : 525,377.95 = 210,949.69 : x
  2. Step 2: Convert to fraction form
    380,714.17/525,377.95 = 210,949.69/x
  3. Step 3: Cross multiply
    380,714.17x = 525,377.95 × 210,949.69
  4. Step 4: Simplify right side
    380,714.17x = 110,828,314,630.59
  5. Step 5: Solve for x
    x = 110,828,314,630.59/380,714.17
  6. Step 6: Final answer
    x = 291,106.36

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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.