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Finding the Fourth Proportional to 477,368.10, 658,606.74 and 270,614.31

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Solution

The fourth proportional to 477,368.10, 658,606.74 and 270,614.31 is: 373,356.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,368.10 : 658,606.74 = 270,614.31 : x
  2. Step 2: Convert to fraction form
    477,368.10/658,606.74 = 270,614.31/x
  3. Step 3: Cross multiply
    477,368.10x = 658,606.74 × 270,614.31
  4. Step 4: Simplify right side
    477,368.10x = 178,228,408,506.45
  5. Step 5: Solve for x
    x = 178,228,408,506.45/477,368.10
  6. Step 6: Final answer
    x = 373,356.34

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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.