Home / 345,208.38-476,573.95-242,158.31

Finding the Fourth Proportional to 345,208.38, 476,573.95 and 242,158.31

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Solution

The fourth proportional to 345,208.38, 476,573.95 and 242,158.31 is: 334,309.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,208.38 : 476,573.95 = 242,158.31 : x
  2. Step 2: Convert to fraction form
    345,208.38/476,573.95 = 242,158.31/x
  3. Step 3: Cross multiply
    345,208.38x = 476,573.95 × 242,158.31
  4. Step 4: Simplify right side
    345,208.38x = 115,406,342,710.08
  5. Step 5: Solve for x
    x = 115,406,342,710.08/345,208.38
  6. Step 6: Final answer
    x = 334,309.21

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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.