Home / 373,531.32-515,497.58-212,401.36

Finding the Fourth Proportional to 373,531.32, 515,497.58 and 212,401.36

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Solution

The fourth proportional to 373,531.32, 515,497.58 and 212,401.36 is: 293,127.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,531.32 : 515,497.58 = 212,401.36 : x
  2. Step 2: Convert to fraction form
    373,531.32/515,497.58 = 212,401.36/x
  3. Step 3: Cross multiply
    373,531.32x = 515,497.58 × 212,401.36
  4. Step 4: Simplify right side
    373,531.32x = 109,492,387,068.71
  5. Step 5: Solve for x
    x = 109,492,387,068.71/373,531.32
  6. Step 6: Final answer
    x = 293,127.73

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1.5x scale

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.