Home / 305,482.19-421,554.38-169,522.07

Finding the Fourth Proportional to 305,482.19, 421,554.38 and 169,522.07

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Solution

The fourth proportional to 305,482.19, 421,554.38 and 169,522.07 is: 233,934.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,482.19 : 421,554.38 = 169,522.07 : x
  2. Step 2: Convert to fraction form
    305,482.19/421,554.38 = 169,522.07/x
  3. Step 3: Cross multiply
    305,482.19x = 421,554.38 × 169,522.07
  4. Step 4: Simplify right side
    305,482.19x = 71,462,768,159.78
  5. Step 5: Solve for x
    x = 71,462,768,159.78/305,482.19
  6. Step 6: Final answer
    x = 233,934.32

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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.