Home / 373,529.22-515,637.30-253,036.44

Finding the Fourth Proportional to 373,529.22, 515,637.30 and 253,036.44

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Solution

The fourth proportional to 373,529.22, 515,637.30 and 253,036.44 is: 349,303.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,529.22 : 515,637.30 = 253,036.44 : x
  2. Step 2: Convert to fraction form
    373,529.22/515,637.30 = 253,036.44/x
  3. Step 3: Cross multiply
    373,529.22x = 515,637.30 × 253,036.44
  4. Step 4: Simplify right side
    373,529.22x = 130,475,026,723.21
  5. Step 5: Solve for x
    x = 130,475,026,723.21/373,529.22
  6. Step 6: Final answer
    x = 349,303.40

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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.