Home / 239,345.22-330,380.98-213,807.26

Finding the Fourth Proportional to 239,345.22, 330,380.98 and 213,807.26

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Solution

The fourth proportional to 239,345.22, 330,380.98 and 213,807.26 is: 295,129.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,345.22 : 330,380.98 = 213,807.26 : x
  2. Step 2: Convert to fraction form
    239,345.22/330,380.98 = 213,807.26/x
  3. Step 3: Cross multiply
    239,345.22x = 330,380.98 × 213,807.26
  4. Step 4: Simplify right side
    239,345.22x = 70,637,852,089.91
  5. Step 5: Solve for x
    x = 70,637,852,089.91/239,345.22
  6. Step 6: Final answer
    x = 295,129.57

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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.