Home / 237,928.79-328,342.21-130,499.71

Finding the Fourth Proportional to 237,928.79, 328,342.21 and 130,499.71

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Solution

The fourth proportional to 237,928.79, 328,342.21 and 130,499.71 is: 180,089.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,928.79 : 328,342.21 = 130,499.71 : x
  2. Step 2: Convert to fraction form
    237,928.79/328,342.21 = 130,499.71/x
  3. Step 3: Cross multiply
    237,928.79x = 328,342.21 × 130,499.71
  4. Step 4: Simplify right side
    237,928.79x = 42,848,562,038.65
  5. Step 5: Solve for x
    x = 42,848,562,038.65/237,928.79
  6. Step 6: Final answer
    x = 180,089.86

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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.