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Finding the Fourth Proportional to 344,502.45, 475,434.75 and 191,541.84

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Solution

The fourth proportional to 344,502.45, 475,434.75 and 191,541.84 is: 264,339.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,502.45 : 475,434.75 = 191,541.84 : x
  2. Step 2: Convert to fraction form
    344,502.45/475,434.75 = 191,541.84/x
  3. Step 3: Cross multiply
    344,502.45x = 475,434.75 × 191,541.84
  4. Step 4: Simplify right side
    344,502.45x = 91,065,646,814.94
  5. Step 5: Solve for x
    x = 91,065,646,814.94/344,502.45
  6. Step 6: Final answer
    x = 264,339.62

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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.