Home / 436,448.45-602,208.54-255,125.31

Finding the Fourth Proportional to 436,448.45, 602,208.54 and 255,125.31

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Solution

The fourth proportional to 436,448.45, 602,208.54 and 255,125.31 is: 352,020.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,448.45 : 602,208.54 = 255,125.31 : x
  2. Step 2: Convert to fraction form
    436,448.45/602,208.54 = 255,125.31/x
  3. Step 3: Cross multiply
    436,448.45x = 602,208.54 × 255,125.31
  4. Step 4: Simplify right side
    436,448.45x = 153,638,640,452.15
  5. Step 5: Solve for x
    x = 153,638,640,452.15/436,448.45
  6. Step 6: Final answer
    x = 352,020.13

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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.