Home / 348,031.70-522,047.55-214,478.90

Finding the Fourth Proportional to 348,031.70, 522,047.55 and 214,478.90

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Solution

The fourth proportional to 348,031.70, 522,047.55 and 214,478.90 is: 321,718.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,031.70 : 522,047.55 = 214,478.90 : x
  2. Step 2: Convert to fraction form
    348,031.70/522,047.55 = 214,478.90/x
  3. Step 3: Cross multiply
    348,031.70x = 522,047.55 × 214,478.90
  4. Step 4: Simplify right side
    348,031.70x = 111,968,184,271.70
  5. Step 5: Solve for x
    x = 111,968,184,271.70/348,031.70
  6. Step 6: Final answer
    x = 321,718.35

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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.