Finding the Fourth Proportional to 97,824.90, 146,518.65 and 84,702.90
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Solution
The fourth proportional to 97,824.90, 146,518.65 and 84,702.90 is: 126,864.99
Step by Step Solution
- Step 1: Write the proportion equation
97,824.90 : 146,518.65 = 84,702.90 : x - Step 2: Convert to fraction form
97,824.90/146,518.65 = 84,702.90/x - Step 3: Cross multiply
97,824.90x = 146,518.65 × 84,702.90 - Step 4: Simplify right side
97,824.90x = 12,410,554,559.09 - Step 5: Solve for x
x = 12,410,554,559.09/97,824.90 - Step 6: Final answer
x = 126,864.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.