Finding the Fourth Proportional to 310,177.47, 465,264.50 and 120,769.60
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Solution
The fourth proportional to 310,177.47, 465,264.50 and 120,769.60 is: 181,153.73
Step by Step Solution
- Step 1: Write the proportion equation
310,177.47 : 465,264.50 = 120,769.60 : x - Step 2: Convert to fraction form
310,177.47/465,264.50 = 120,769.60/x - Step 3: Cross multiply
310,177.47x = 465,264.50 × 120,769.60 - Step 4: Simplify right side
310,177.47x = 56,189,805,792.19 - Step 5: Solve for x
x = 56,189,805,792.19/310,177.47 - Step 6: Final answer
x = 181,153.73
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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.