Home / 328,160.16-492,312.47-100,457.58

Finding the Fourth Proportional to 328,160.16, 492,312.47 and 100,457.58

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Solution

The fourth proportional to 328,160.16, 492,312.47 and 100,457.58 is: 150,708.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,160.16 : 492,312.47 = 100,457.58 : x
  2. Step 2: Convert to fraction form
    328,160.16/492,312.47 = 100,457.58/x
  3. Step 3: Cross multiply
    328,160.16x = 492,312.47 × 100,457.58
  4. Step 4: Simplify right side
    328,160.16x = 49,456,520,683.91
  5. Step 5: Solve for x
    x = 49,456,520,683.91/328,160.16
  6. Step 6: Final answer
    x = 150,708.49

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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.