Home / 282,881.02-390,385.83-155,566.30

Finding the Fourth Proportional to 282,881.02, 390,385.83 and 155,566.30

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Solution

The fourth proportional to 282,881.02, 390,385.83 and 155,566.30 is: 214,687.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,881.02 : 390,385.83 = 155,566.30 : x
  2. Step 2: Convert to fraction form
    282,881.02/390,385.83 = 155,566.30/x
  3. Step 3: Cross multiply
    282,881.02x = 390,385.83 × 155,566.30
  4. Step 4: Simplify right side
    282,881.02x = 60,730,879,145.53
  5. Step 5: Solve for x
    x = 60,730,879,145.53/282,881.02
  6. Step 6: Final answer
    x = 214,687.01

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1.5x scale

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.