Finding the Fourth Proportional to 117,643.04, 176,365.35 and 51,032.99
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Solution
The fourth proportional to 117,643.04, 176,365.35 and 51,032.99 is: 76,506.45
Step by Step Solution
- Step 1: Write the proportion equation
117,643.04 : 176,365.35 = 51,032.99 : x - Step 2: Convert to fraction form
117,643.04/176,365.35 = 51,032.99/x - Step 3: Cross multiply
117,643.04x = 176,365.35 × 51,032.99 - Step 4: Simplify right side
117,643.04x = 9,000,451,142.90 - Step 5: Solve for x
x = 9,000,451,142.90/117,643.04 - Step 6: Final answer
x = 76,506.45
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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.