Finding the Fourth Proportional to 158,359.98, 218,539.92 and 86,740.02
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Solution
The fourth proportional to 158,359.98, 218,539.92 and 86,740.02 is: 119,702.95
Step by Step Solution
- Step 1: Write the proportion equation
158,359.98 : 218,539.92 = 86,740.02 : x - Step 2: Convert to fraction form
158,359.98/218,539.92 = 86,740.02/x - Step 3: Cross multiply
158,359.98x = 218,539.92 × 86,740.02 - Step 4: Simplify right side
158,359.98x = 18,956,157,031.60 - Step 5: Solve for x
x = 18,956,157,031.60/158,359.98 - Step 6: Final answer
x = 119,702.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.