Finding the Fourth Proportional to 224,750.05, 310,164.47 and 129,256.81
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Solution
The fourth proportional to 224,750.05, 310,164.47 and 129,256.81 is: 178,379.80
Step by Step Solution
- Step 1: Write the proportion equation
224,750.05 : 310,164.47 = 129,256.81 : x - Step 2: Convert to fraction form
224,750.05/310,164.47 = 129,256.81/x - Step 3: Cross multiply
224,750.05x = 310,164.47 × 129,256.81 - Step 4: Simplify right side
224,750.05x = 40,090,869,967.54 - Step 5: Solve for x
x = 40,090,869,967.54/224,750.05 - Step 6: Final answer
x = 178,379.80
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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.