Finding the Fourth Proportional to 153,350.70, 229,740.93 and 83,288.94
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Solution
The fourth proportional to 153,350.70, 229,740.93 and 83,288.94 is: 124,778.55
Step by Step Solution
- Step 1: Write the proportion equation
153,350.70 : 229,740.93 = 83,288.94 : x - Step 2: Convert to fraction form
153,350.70/229,740.93 = 83,288.94/x - Step 3: Cross multiply
153,350.70x = 229,740.93 × 83,288.94 - Step 4: Simplify right side
153,350.70x = 19,134,878,534.31 - Step 5: Solve for x
x = 19,134,878,534.31/153,350.70 - Step 6: Final answer
x = 124,778.55
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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.