Home / 238,233.16-328,762.40-130,810.12

Finding the Fourth Proportional to 238,233.16, 328,762.40 and 130,810.12

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Solution

The fourth proportional to 238,233.16, 328,762.40 and 130,810.12 is: 180,518.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,233.16 : 328,762.40 = 130,810.12 : x
  2. Step 2: Convert to fraction form
    238,233.16/328,762.40 = 130,810.12/x
  3. Step 3: Cross multiply
    238,233.16x = 328,762.40 × 130,810.12
  4. Step 4: Simplify right side
    238,233.16x = 43,005,448,995.49
  5. Step 5: Solve for x
    x = 43,005,448,995.49/238,233.16
  6. Step 6: Final answer
    x = 180,518.32

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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.