Finding the Fourth Proportional to 342,504.74, 513,629.67 and 117,802.10
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Solution
The fourth proportional to 342,504.74, 513,629.67 and 117,802.10 is: 176,659.32
Step by Step Solution
- Step 1: Write the proportion equation
342,504.74 : 513,629.67 = 117,802.10 : x - Step 2: Convert to fraction form
342,504.74/513,629.67 = 117,802.10/x - Step 3: Cross multiply
342,504.74x = 513,629.67 × 117,802.10 - Step 4: Simplify right side
342,504.74x = 60,506,653,748.31 - Step 5: Solve for x
x = 60,506,653,748.31/342,504.74 - Step 6: Final answer
x = 176,659.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.