Finding the Fourth Proportional to 458,858.28, 687,908.34 and 202,508.28
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Solution
The fourth proportional to 458,858.28, 687,908.34 and 202,508.28 is: 303,595.12
Step by Step Solution
- Step 1: Write the proportion equation
458,858.28 : 687,908.34 = 202,508.28 : x - Step 2: Convert to fraction form
458,858.28/687,908.34 = 202,508.28/x - Step 3: Cross multiply
458,858.28x = 687,908.34 × 202,508.28 - Step 4: Simplify right side
458,858.28x = 139,307,134,731.06 - Step 5: Solve for x
x = 139,307,134,731.06/458,858.28 - Step 6: Final answer
x = 303,595.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.