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Finding the Fourth Proportional to 380,701.81, 525,368.46 and 227,746.45

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Solution

The fourth proportional to 380,701.81, 525,368.46 and 227,746.45 is: 314,290.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,701.81 : 525,368.46 = 227,746.45 : x
  2. Step 2: Convert to fraction form
    380,701.81/525,368.46 = 227,746.45/x
  3. Step 3: Cross multiply
    380,701.81x = 525,368.46 × 227,746.45
  4. Step 4: Simplify right side
    380,701.81x = 119,650,801,706.97
  5. Step 5: Solve for x
    x = 119,650,801,706.97/380,701.81
  6. Step 6: Final answer
    x = 314,290.08

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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.