Finding the Fourth Proportional to 153,269.65, 229,901.79 and 68,970.15
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Solution
The fourth proportional to 153,269.65, 229,901.79 and 68,970.15 is: 103,454.02
Step by Step Solution
- Step 1: Write the proportion equation
153,269.65 : 229,901.79 = 68,970.15 : x - Step 2: Convert to fraction form
153,269.65/229,901.79 = 68,970.15/x - Step 3: Cross multiply
153,269.65x = 229,901.79 × 68,970.15 - Step 4: Simplify right side
153,269.65x = 15,856,360,941.57 - Step 5: Solve for x
x = 15,856,360,941.57/153,269.65 - Step 6: Final answer
x = 103,454.02
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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.