Home / 348,030.95-480,239.96-212,015.54

Finding the Fourth Proportional to 348,030.95, 480,239.96 and 212,015.54

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Solution

The fourth proportional to 348,030.95, 480,239.96 and 212,015.54 is: 292,555.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,030.95 : 480,239.96 = 212,015.54 : x
  2. Step 2: Convert to fraction form
    348,030.95/480,239.96 = 212,015.54/x
  3. Step 3: Cross multiply
    348,030.95x = 480,239.96 × 212,015.54
  4. Step 4: Simplify right side
    348,030.95x = 101,818,334,589.50
  5. Step 5: Solve for x
    x = 101,818,334,589.50/348,030.95
  6. Step 6: Final answer
    x = 292,555.41

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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.