Finding the Fourth Proportional to 176,389.14, 243,282.88 and 122,031.74
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Solution
The fourth proportional to 176,389.14, 243,282.88 and 122,031.74 is: 168,311.00
Step by Step Solution
- Step 1: Write the proportion equation
176,389.14 : 243,282.88 = 122,031.74 : x - Step 2: Convert to fraction form
176,389.14/243,282.88 = 122,031.74/x - Step 3: Cross multiply
176,389.14x = 243,282.88 × 122,031.74 - Step 4: Simplify right side
176,389.14x = 29,688,233,158.61 - Step 5: Solve for x
x = 29,688,233,158.61/176,389.14 - Step 6: Final answer
x = 168,311.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.