Finding the Fourth Proportional to 97,860.18, 146,790.27 and 38,723.70
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Solution
The fourth proportional to 97,860.18, 146,790.27 and 38,723.70 is: 58,085.55
Step by Step Solution
- Step 1: Write the proportion equation
97,860.18 : 146,790.27 = 38,723.70 : x - Step 2: Convert to fraction form
97,860.18/146,790.27 = 38,723.70/x - Step 3: Cross multiply
97,860.18x = 146,790.27 × 38,723.70 - Step 4: Simplify right side
97,860.18x = 5,684,262,378.40 - Step 5: Solve for x
x = 5,684,262,378.40/97,860.18 - Step 6: Final answer
x = 58,085.55
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1.5x scale
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.