Home / 346,588.47-478,238.16-195,682.23

Finding the Fourth Proportional to 346,588.47, 478,238.16 and 195,682.23

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Solution

The fourth proportional to 346,588.47, 478,238.16 and 195,682.23 is: 270,011.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,588.47 : 478,238.16 = 195,682.23 : x
  2. Step 2: Convert to fraction form
    346,588.47/478,238.16 = 195,682.23/x
  3. Step 3: Cross multiply
    346,588.47x = 478,238.16 × 195,682.23
  4. Step 4: Simplify right side
    346,588.47x = 93,582,709,619.90
  5. Step 5: Solve for x
    x = 93,582,709,619.90/346,588.47
  6. Step 6: Final answer
    x = 270,011.03

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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.