Home / 310,836.18-428,953.23-174,870.18

Finding the Fourth Proportional to 310,836.18, 428,953.23 and 174,870.18

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Solution

The fourth proportional to 310,836.18, 428,953.23 and 174,870.18 is: 241,320.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,836.18 : 428,953.23 = 174,870.18 : x
  2. Step 2: Convert to fraction form
    310,836.18/428,953.23 = 174,870.18/x
  3. Step 3: Cross multiply
    310,836.18x = 428,953.23 × 174,870.18
  4. Step 4: Simplify right side
    310,836.18x = 75,011,128,541.68
  5. Step 5: Solve for x
    x = 75,011,128,541.68/310,836.18
  6. Step 6: Final answer
    x = 241,320.46

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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.