Home / 237,718.37-328,036.48-130,280.78

Finding the Fourth Proportional to 237,718.37, 328,036.48 and 130,280.78

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Solution

The fourth proportional to 237,718.37, 328,036.48 and 130,280.78 is: 179,779.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,718.37 : 328,036.48 = 130,280.78 : x
  2. Step 2: Convert to fraction form
    237,718.37/328,036.48 = 130,280.78/x
  3. Step 3: Cross multiply
    237,718.37x = 328,036.48 × 130,280.78
  4. Step 4: Simplify right side
    237,718.37x = 42,736,848,977.24
  5. Step 5: Solve for x
    x = 42,736,848,977.24/237,718.37
  6. Step 6: Final answer
    x = 179,779.33

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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.