Finding the Fourth Proportional to 176,343.13, 264,479.32 and 86,347.07
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Solution
The fourth proportional to 176,343.13, 264,479.32 and 86,347.07 is: 129,503.28
Step by Step Solution
- Step 1: Write the proportion equation
176,343.13 : 264,479.32 = 86,347.07 : x - Step 2: Convert to fraction form
176,343.13/264,479.32 = 86,347.07/x - Step 3: Cross multiply
176,343.13x = 264,479.32 × 86,347.07 - Step 4: Simplify right side
176,343.13x = 22,837,014,357.59 - Step 5: Solve for x
x = 22,837,014,357.59/176,343.13 - Step 6: Final answer
x = 129,503.28
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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.