Finding the Fourth Proportional to 212,802.74, 293,669.84 and 117,312.88
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Solution
The fourth proportional to 212,802.74, 293,669.84 and 117,312.88 is: 161,892.91
Step by Step Solution
- Step 1: Write the proportion equation
212,802.74 : 293,669.84 = 117,312.88 : x - Step 2: Convert to fraction form
212,802.74/293,669.84 = 117,312.88/x - Step 3: Cross multiply
212,802.74x = 293,669.84 × 117,312.88 - Step 4: Simplify right side
212,802.74x = 34,451,254,699.54 - Step 5: Solve for x
x = 34,451,254,699.54/212,802.74 - Step 6: Final answer
x = 161,892.91
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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.