Home / 346,042.12-477,571.52-210,044.72

Finding the Fourth Proportional to 346,042.12, 477,571.52 and 210,044.72

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Solution

The fourth proportional to 346,042.12, 477,571.52 and 210,044.72 is: 289,881.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,042.12 : 477,571.52 = 210,044.72 : x
  2. Step 2: Convert to fraction form
    346,042.12/477,571.52 = 210,044.72/x
  3. Step 3: Cross multiply
    346,042.12x = 477,571.52 × 210,044.72
  4. Step 4: Simplify right side
    346,042.12x = 100,311,376,198.37
  5. Step 5: Solve for x
    x = 100,311,376,198.37/346,042.12
  6. Step 6: Final answer
    x = 289,881.98

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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.