Home / 237,928.69-328,369.02-142,435.36

Finding the Fourth Proportional to 237,928.69, 328,369.02 and 142,435.36

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Solution

The fourth proportional to 237,928.69, 328,369.02 and 142,435.36 is: 196,577.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,928.69 : 328,369.02 = 142,435.36 : x
  2. Step 2: Convert to fraction form
    237,928.69/328,369.02 = 142,435.36/x
  3. Step 3: Cross multiply
    237,928.69x = 328,369.02 × 142,435.36
  4. Step 4: Simplify right side
    237,928.69x = 46,771,357,934.70
  5. Step 5: Solve for x
    x = 46,771,357,934.70/237,928.69
  6. Step 6: Final answer
    x = 196,577.21

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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.