Finding the Fourth Proportional to 224,913.68, 310,400.64 and 124,331.12
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Solution
The fourth proportional to 224,913.68, 310,400.64 and 124,331.12 is: 171,587.87
Step by Step Solution
- Step 1: Write the proportion equation
224,913.68 : 310,400.64 = 124,331.12 : x - Step 2: Convert to fraction form
224,913.68/310,400.64 = 124,331.12/x - Step 3: Cross multiply
224,913.68x = 310,400.64 × 124,331.12 - Step 4: Simplify right side
224,913.68x = 38,592,459,219.92 - Step 5: Solve for x
x = 38,592,459,219.92/224,913.68 - Step 6: Final answer
x = 171,587.87
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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.