Home / 348,032.45-480,242.03-212,017.05

Finding the Fourth Proportional to 348,032.45, 480,242.03 and 212,017.05

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Solution

The fourth proportional to 348,032.45, 480,242.03 and 212,017.05 is: 292,557.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,032.45 : 480,242.03 = 212,017.05 : x
  2. Step 2: Convert to fraction form
    348,032.45/480,242.03 = 212,017.05/x
  3. Step 3: Cross multiply
    348,032.45x = 480,242.03 × 212,017.05
  4. Step 4: Simplify right side
    348,032.45x = 101,819,497,426.53
  5. Step 5: Solve for x
    x = 101,819,497,426.53/348,032.45
  6. Step 6: Final answer
    x = 292,557.49

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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.