Finding the Fourth Proportional to 342,125.99, 513,061.35 and 117,422.66
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Solution
The fourth proportional to 342,125.99, 513,061.35 and 117,422.66 is: 176,090.18
Step by Step Solution
- Step 1: Write the proportion equation
342,125.99 : 513,061.35 = 117,422.66 : x - Step 2: Convert to fraction form
342,125.99/513,061.35 = 117,422.66/x - Step 3: Cross multiply
342,125.99x = 513,061.35 × 117,422.66 - Step 4: Simplify right side
342,125.99x = 60,245,028,460.19 - Step 5: Solve for x
x = 60,245,028,460.19/342,125.99 - Step 6: Final answer
x = 176,090.18
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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.