Home / 379,461.40-569,848.20-202,314.40

Finding the Fourth Proportional to 379,461.40, 569,848.20 and 202,314.40

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Solution

The fourth proportional to 379,461.40, 569,848.20 and 202,314.40 is: 303,821.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,461.40 : 569,848.20 = 202,314.40 : x
  2. Step 2: Convert to fraction form
    379,461.40/569,848.20 = 202,314.40/x
  3. Step 3: Cross multiply
    379,461.40x = 569,848.20 × 202,314.40
  4. Step 4: Simplify right side
    379,461.40x = 115,288,496,674.08
  5. Step 5: Solve for x
    x = 115,288,496,674.08/379,461.40
  6. Step 6: Final answer
    x = 303,821.41

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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.