Finding the Fourth Proportional to 223,590.08, 308,541.48 and 122,988.08
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Solution
The fourth proportional to 223,590.08, 308,541.48 and 122,988.08 is: 169,716.49
Step by Step Solution
- Step 1: Write the proportion equation
223,590.08 : 308,541.48 = 122,988.08 : x - Step 2: Convert to fraction form
223,590.08/308,541.48 = 122,988.08/x - Step 3: Cross multiply
223,590.08x = 308,541.48 × 122,988.08 - Step 4: Simplify right side
223,590.08x = 37,946,924,225.56 - Step 5: Solve for x
x = 37,946,924,225.56/223,590.08 - Step 6: Final answer
x = 169,716.49
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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.