Finding the Fourth Proportional to 626,312.16, 939,507.36 and 177,067.68
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Solution
The fourth proportional to 626,312.16, 939,507.36 and 177,067.68 is: 265,612.58
Step by Step Solution
- Step 1: Write the proportion equation
626,312.16 : 939,507.36 = 177,067.68 : x - Step 2: Convert to fraction form
626,312.16/939,507.36 = 177,067.68/x - Step 3: Cross multiply
626,312.16x = 939,507.36 × 177,067.68 - Step 4: Simplify right side
626,312.16x = 166,356,388,578.13 - Step 5: Solve for x
x = 166,356,388,578.13/626,312.16 - Step 6: Final answer
x = 265,612.58
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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.