Home / 310,032.21-427,811.40-174,081

Finding the Fourth Proportional to 310,032.21, 427,811.40 and 174,081

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Solution

The fourth proportional to 310,032.21, 427,811.40 and 174,081 is: 240,213.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,032.21 : 427,811.40 = 174,081 : x
  2. Step 2: Convert to fraction form
    310,032.21/427,811.40 = 174,081/x
  3. Step 3: Cross multiply
    310,032.21x = 427,811.40 × 174,081
  4. Step 4: Simplify right side
    310,032.21x = 74,473,836,323.40
  5. Step 5: Solve for x
    x = 74,473,836,323.40/310,032.21
  6. Step 6: Final answer
    x = 240,213.22

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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.