Home / 304,787.74-420,571.15-175,724.77

Finding the Fourth Proportional to 304,787.74, 420,571.15 and 175,724.77

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Solution

The fourth proportional to 304,787.74, 420,571.15 and 175,724.77 is: 242,479.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,787.74 : 420,571.15 = 175,724.77 : x
  2. Step 2: Convert to fraction form
    304,787.74/420,571.15 = 175,724.77/x
  3. Step 3: Cross multiply
    304,787.74x = 420,571.15 × 175,724.77
  4. Step 4: Simplify right side
    304,787.74x = 73,904,768,602.39
  5. Step 5: Solve for x
    x = 73,904,768,602.39/304,787.74
  6. Step 6: Final answer
    x = 242,479.47

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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.