Home / 423,935.38-585,057-242,643.45

Finding the Fourth Proportional to 423,935.38, 585,057 and 242,643.45

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Solution

The fourth proportional to 423,935.38, 585,057 and 242,643.45 is: 334,862.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,935.38 : 585,057 = 242,643.45 : x
  2. Step 2: Convert to fraction form
    423,935.38/585,057 = 242,643.45/x
  3. Step 3: Cross multiply
    423,935.38x = 585,057 × 242,643.45
  4. Step 4: Simplify right side
    423,935.38x = 141,960,248,926.65
  5. Step 5: Solve for x
    x = 141,960,248,926.65/423,935.38
  6. Step 6: Final answer
    x = 334,862.94

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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.