Finding the Fourth Proportional to 310,470.36, 465,315.96 and 132,768.48
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Solution
The fourth proportional to 310,470.36, 465,315.96 and 132,768.48 is: 198,986.12
Step by Step Solution
- Step 1: Write the proportion equation
310,470.36 : 465,315.96 = 132,768.48 : x - Step 2: Convert to fraction form
310,470.36/465,315.96 = 132,768.48/x - Step 3: Cross multiply
310,470.36x = 465,315.96 × 132,768.48 - Step 4: Simplify right side
310,470.36x = 61,779,292,728.94 - Step 5: Solve for x
x = 61,779,292,728.94/310,470.36 - Step 6: Final answer
x = 198,986.12
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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.