Home / 314,987.04-472,396.32-215,130.24

Finding the Fourth Proportional to 314,987.04, 472,396.32 and 215,130.24

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Solution

The fourth proportional to 314,987.04, 472,396.32 and 215,130.24 is: 322,637.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,987.04 : 472,396.32 = 215,130.24 : x
  2. Step 2: Convert to fraction form
    314,987.04/472,396.32 = 215,130.24/x
  3. Step 3: Cross multiply
    314,987.04x = 472,396.32 × 215,130.24
  4. Step 4: Simplify right side
    314,987.04x = 101,626,733,696.72
  5. Step 5: Solve for x
    x = 101,626,733,696.72/314,987.04
  6. Step 6: Final answer
    x = 322,637.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.