Finding the Fourth Proportional to 175,473.19, 242,349.74 and 118,786.15
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Solution
The fourth proportional to 175,473.19, 242,349.74 and 118,786.15 is: 164,058.07
Step by Step Solution
- Step 1: Write the proportion equation
175,473.19 : 242,349.74 = 118,786.15 : x - Step 2: Convert to fraction form
175,473.19/242,349.74 = 118,786.15/x - Step 3: Cross multiply
175,473.19x = 242,349.74 × 118,786.15 - Step 4: Simplify right side
175,473.19x = 28,787,792,568.10 - Step 5: Solve for x
x = 28,787,792,568.10/175,473.19 - Step 6: Final answer
x = 164,058.07
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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.