Finding the Fourth Proportional to 458,699.66, 687,995.97 and 121,766.49
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Solution
The fourth proportional to 458,699.66, 687,995.97 and 121,766.49 is: 182,635.53
Step by Step Solution
- Step 1: Write the proportion equation
458,699.66 : 687,995.97 = 121,766.49 : x - Step 2: Convert to fraction form
458,699.66/687,995.97 = 121,766.49/x - Step 3: Cross multiply
458,699.66x = 687,995.97 × 121,766.49 - Step 4: Simplify right side
458,699.66x = 83,774,854,401.05 - Step 5: Solve for x
x = 83,774,854,401.05/458,699.66 - Step 6: Final answer
x = 182,635.53
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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.