Home / 282,956.51-390,476.10-153,892.18

Finding the Fourth Proportional to 282,956.51, 390,476.10 and 153,892.18

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Solution

The fourth proportional to 282,956.51, 390,476.10 and 153,892.18 is: 212,369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,956.51 : 390,476.10 = 153,892.18 : x
  2. Step 2: Convert to fraction form
    282,956.51/390,476.10 = 153,892.18/x
  3. Step 3: Cross multiply
    282,956.51x = 390,476.10 × 153,892.18
  4. Step 4: Simplify right side
    282,956.51x = 60,091,218,266.90
  5. Step 5: Solve for x
    x = 60,091,218,266.90/282,956.51
  6. Step 6: Final answer
    x = 212,369.10

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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.