Finding the Fourth Proportional to 228,928.24, 343,345.60 and 86,724.49
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Solution
The fourth proportional to 228,928.24, 343,345.60 and 86,724.49 is: 130,069.02
Step by Step Solution
- Step 1: Write the proportion equation
228,928.24 : 343,345.60 = 86,724.49 : x - Step 2: Convert to fraction form
228,928.24/343,345.60 = 86,724.49/x - Step 3: Cross multiply
228,928.24x = 343,345.60 × 86,724.49 - Step 4: Simplify right side
228,928.24x = 29,776,472,053.74 - Step 5: Solve for x
x = 29,776,472,053.74/228,928.24 - Step 6: Final answer
x = 130,069.02
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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.