Finding the Fourth Proportional to 108,603.20, 163,342.20 and 97,230.80
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Solution
The fourth proportional to 108,603.20, 163,342.20 and 97,230.80 is: 146,237.80
Step by Step Solution
- Step 1: Write the proportion equation
108,603.20 : 163,342.20 = 97,230.80 : x - Step 2: Convert to fraction form
108,603.20/163,342.20 = 97,230.80/x - Step 3: Cross multiply
108,603.20x = 163,342.20 × 97,230.80 - Step 4: Simplify right side
108,603.20x = 15,881,892,779.76 - Step 5: Solve for x
x = 15,881,892,779.76/108,603.20 - Step 6: Final answer
x = 146,237.80
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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.