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Finding the Fourth Proportional to 292,215.33, 438,059.83 and 105,095.25

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Solution

The fourth proportional to 292,215.33, 438,059.83 and 105,095.25 is: 157,548.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,215.33 : 438,059.83 = 105,095.25 : x
  2. Step 2: Convert to fraction form
    292,215.33/438,059.83 = 105,095.25/x
  3. Step 3: Cross multiply
    292,215.33x = 438,059.83 × 105,095.25
  4. Step 4: Simplify right side
    292,215.33x = 46,038,007,348.81
  5. Step 5: Solve for x
    x = 46,038,007,348.81/292,215.33
  6. Step 6: Final answer
    x = 157,548.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.