Finding the Fourth Proportional to 155,279.06, 214,351.62 and 106,948.79
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Solution
The fourth proportional to 155,279.06, 214,351.62 and 106,948.79 is: 147,635.14
Step by Step Solution
- Step 1: Write the proportion equation
155,279.06 : 214,351.62 = 106,948.79 : x - Step 2: Convert to fraction form
155,279.06/214,351.62 = 106,948.79/x - Step 3: Cross multiply
155,279.06x = 214,351.62 × 106,948.79 - Step 4: Simplify right side
155,279.06x = 22,924,646,393.54 - Step 5: Solve for x
x = 22,924,646,393.54/155,279.06 - Step 6: Final answer
x = 147,635.14
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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.