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Finding the Fourth Proportional to 343,082.93, 473,457.22 and 190,123.67

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Solution

The fourth proportional to 343,082.93, 473,457.22 and 190,123.67 is: 262,372.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,082.93 : 473,457.22 = 190,123.67 : x
  2. Step 2: Convert to fraction form
    343,082.93/473,457.22 = 190,123.67/x
  3. Step 3: Cross multiply
    343,082.93x = 473,457.22 × 190,123.67
  4. Step 4: Simplify right side
    343,082.93x = 90,015,424,962.73
  5. Step 5: Solve for x
    x = 90,015,424,962.73/343,082.93
  6. Step 6: Final answer
    x = 262,372.21

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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.