Home / 343,384.10-473,861.07-190,421.90

Finding the Fourth Proportional to 343,384.10, 473,861.07 and 190,421.90

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Solution

The fourth proportional to 343,384.10, 473,861.07 and 190,421.90 is: 262,777.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,384.10 : 473,861.07 = 190,421.90 : x
  2. Step 2: Convert to fraction form
    343,384.10/473,861.07 = 190,421.90/x
  3. Step 3: Cross multiply
    343,384.10x = 473,861.07 × 190,421.90
  4. Step 4: Simplify right side
    343,384.10x = 90,233,522,916.13
  5. Step 5: Solve for x
    x = 90,233,522,916.13/343,384.10
  6. Step 6: Final answer
    x = 262,777.23

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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.