Home / 246,905.40-370,271.70-128,537.40

Finding the Fourth Proportional to 246,905.40, 370,271.70 and 128,537.40

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Solution

The fourth proportional to 246,905.40, 370,271.70 and 128,537.40 is: 192,761.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,905.40 : 370,271.70 = 128,537.40 : x
  2. Step 2: Convert to fraction form
    246,905.40/370,271.70 = 128,537.40/x
  3. Step 3: Cross multiply
    246,905.40x = 370,271.70 × 128,537.40
  4. Step 4: Simplify right side
    246,905.40x = 47,593,761,611.58
  5. Step 5: Solve for x
    x = 47,593,761,611.58/246,905.40
  6. Step 6: Final answer
    x = 192,761.12

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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.