Home / 268,416.25-370,421.52-145,916.87

Finding the Fourth Proportional to 268,416.25, 370,421.52 and 145,916.87

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Solution

The fourth proportional to 268,416.25, 370,421.52 and 145,916.87 is: 201,369.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,416.25 : 370,421.52 = 145,916.87 : x
  2. Step 2: Convert to fraction form
    268,416.25/370,421.52 = 145,916.87/x
  3. Step 3: Cross multiply
    268,416.25x = 370,421.52 × 145,916.87
  4. Step 4: Simplify right side
    268,416.25x = 54,050,748,049.46
  5. Step 5: Solve for x
    x = 54,050,748,049.46/268,416.25
  6. Step 6: Final answer
    x = 201,369.13

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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.