Home / 373,443.18-515,349.23-212,298.23

Finding the Fourth Proportional to 373,443.18, 515,349.23 and 212,298.23

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Solution

The fourth proportional to 373,443.18, 515,349.23 and 212,298.23 is: 292,970.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,443.18 : 515,349.23 = 212,298.23 : x
  2. Step 2: Convert to fraction form
    373,443.18/515,349.23 = 212,298.23/x
  3. Step 3: Cross multiply
    373,443.18x = 515,349.23 × 212,298.23
  4. Step 4: Simplify right side
    373,443.18x = 109,407,725,722.63
  5. Step 5: Solve for x
    x = 109,407,725,722.63/373,443.18
  6. Step 6: Final answer
    x = 292,970.21

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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.