Finding the Fourth Proportional to 176,264.96, 243,235.76 and 102,699.74
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Solution
The fourth proportional to 176,264.96, 243,235.76 and 102,699.74 is: 141,719.88
Step by Step Solution
- Step 1: Write the proportion equation
176,264.96 : 243,235.76 = 102,699.74 : x - Step 2: Convert to fraction form
176,264.96/243,235.76 = 102,699.74/x - Step 3: Cross multiply
176,264.96x = 243,235.76 × 102,699.74 - Step 4: Simplify right side
176,264.96x = 24,980,249,310.70 - Step 5: Solve for x
x = 24,980,249,310.70/176,264.96 - Step 6: Final answer
x = 141,719.88
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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.