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Finding the Fourth Proportional to 282,858.02, 390,333.45 and 155,526.02

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Solution

The fourth proportional to 282,858.02, 390,333.45 and 155,526.02 is: 214,620.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,858.02 : 390,333.45 = 155,526.02 : x
  2. Step 2: Convert to fraction form
    282,858.02/390,333.45 = 155,526.02/x
  3. Step 3: Cross multiply
    282,858.02x = 390,333.45 × 155,526.02
  4. Step 4: Simplify right side
    282,858.02x = 60,707,007,951.37
  5. Step 5: Solve for x
    x = 60,707,007,951.37/282,858.02
  6. Step 6: Final answer
    x = 214,620.07

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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.