Home / 355,851.27-533,776.89-145,440

Finding the Fourth Proportional to 355,851.27, 533,776.89 and 145,440

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Solution

The fourth proportional to 355,851.27, 533,776.89 and 145,440 is: 218,159.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,851.27 : 533,776.89 = 145,440 : x
  2. Step 2: Convert to fraction form
    355,851.27/533,776.89 = 145,440/x
  3. Step 3: Cross multiply
    355,851.27x = 533,776.89 × 145,440
  4. Step 4: Simplify right side
    355,851.27x = 77,632,510,881.60
  5. Step 5: Solve for x
    x = 77,632,510,881.60/355,851.27
  6. Step 6: Final answer
    x = 218,159.99

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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.