Finding the Fourth Proportional to 175,472.19, 242,348.36 and 118,785.15
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Solution
The fourth proportional to 175,472.19, 242,348.36 and 118,785.15 is: 164,056.68
Step by Step Solution
- Step 1: Write the proportion equation
175,472.19 : 242,348.36 = 118,785.15 : x - Step 2: Convert to fraction form
175,472.19/242,348.36 = 118,785.15/x - Step 3: Cross multiply
175,472.19x = 242,348.36 × 118,785.15 - Step 4: Simplify right side
175,472.19x = 28,787,385,700.93 - Step 5: Solve for x
x = 28,787,385,700.93/175,472.19 - Step 6: Final answer
x = 164,056.68
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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.