Home / 212,666.40-318,474.38-158,501.22

Finding the Fourth Proportional to 212,666.40, 318,474.38 and 158,501.22

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Solution

The fourth proportional to 212,666.40, 318,474.38 and 158,501.22 is: 237,360.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,666.40 : 318,474.38 = 158,501.22 : x
  2. Step 2: Convert to fraction form
    212,666.40/318,474.38 = 158,501.22/x
  3. Step 3: Cross multiply
    212,666.40x = 318,474.38 × 158,501.22
  4. Step 4: Simplify right side
    212,666.40x = 50,478,578,165.00
  5. Step 5: Solve for x
    x = 50,478,578,165.00/212,666.40
  6. Step 6: Final answer
    x = 237,360.38

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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.