Home / 278,395.02-384,186.12-151,070.60

Finding the Fourth Proportional to 278,395.02, 384,186.12 and 151,070.60

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Solution

The fourth proportional to 278,395.02, 384,186.12 and 151,070.60 is: 208,477.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,395.02 : 384,186.12 = 151,070.60 : x
  2. Step 2: Convert to fraction form
    278,395.02/384,186.12 = 151,070.60/x
  3. Step 3: Cross multiply
    278,395.02x = 384,186.12 × 151,070.60
  4. Step 4: Simplify right side
    278,395.02x = 58,039,227,660.07
  5. Step 5: Solve for x
    x = 58,039,227,660.07/278,395.02
  6. Step 6: Final answer
    x = 208,477.97

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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.