Finding the Fourth Proportional to 458,106.68, 687,232.92 and 221,466.80
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Solution
The fourth proportional to 458,106.68, 687,232.92 and 221,466.80 is: 332,235.44
Step by Step Solution
- Step 1: Write the proportion equation
458,106.68 : 687,232.92 = 221,466.80 : x - Step 2: Convert to fraction form
458,106.68/687,232.92 = 221,466.80/x - Step 3: Cross multiply
458,106.68x = 687,232.92 × 221,466.80 - Step 4: Simplify right side
458,106.68x = 152,199,275,647.06 - Step 5: Solve for x
x = 152,199,275,647.06/458,106.68 - Step 6: Final answer
x = 332,235.44
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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.