Home / 350,322.14-525,463.77-311,325.50

Finding the Fourth Proportional to 350,322.14, 525,463.77 and 311,325.50

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Solution

The fourth proportional to 350,322.14, 525,463.77 and 311,325.50 is: 466,970.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,322.14 : 525,463.77 = 311,325.50 : x
  2. Step 2: Convert to fraction form
    350,322.14/525,463.77 = 311,325.50/x
  3. Step 3: Cross multiply
    350,322.14x = 525,463.77 × 311,325.50
  4. Step 4: Simplify right side
    350,322.14x = 163,590,270,927.14
  5. Step 5: Solve for x
    x = 163,590,270,927.14/350,322.14
  6. Step 6: Final answer
    x = 466,970.97

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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.