Finding the Fourth Proportional to 176,472.79, 243,528.34 and 98,943.30
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Solution
The fourth proportional to 176,472.79, 243,528.34 and 98,943.30 is: 136,539.45
Step by Step Solution
- Step 1: Write the proportion equation
176,472.79 : 243,528.34 = 98,943.30 : x - Step 2: Convert to fraction form
176,472.79/243,528.34 = 98,943.30/x - Step 3: Cross multiply
176,472.79x = 243,528.34 × 98,943.30 - Step 4: Simplify right side
176,472.79x = 24,095,497,378.13 - Step 5: Solve for x
x = 24,095,497,378.13/176,472.79 - Step 6: Final answer
x = 136,539.45
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1.5x scale
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.