Finding the Fourth Proportional to 176,506.74, 264,768.21 and 86,630.76
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Solution
The fourth proportional to 176,506.74, 264,768.21 and 86,630.76 is: 129,950.12
Step by Step Solution
- Step 1: Write the proportion equation
176,506.74 : 264,768.21 = 86,630.76 : x - Step 2: Convert to fraction form
176,506.74/264,768.21 = 86,630.76/x - Step 3: Cross multiply
176,506.74x = 264,768.21 × 86,630.76 - Step 4: Simplify right side
176,506.74x = 22,937,071,256.14 - Step 5: Solve for x
x = 22,937,071,256.14/176,506.74 - Step 6: Final answer
x = 129,950.12
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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.