Finding the Fourth Proportional to 224,731.20, 310,129.08 and 124,129.20
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Solution
The fourth proportional to 224,731.20, 310,129.08 and 124,129.20 is: 171,298.31
Step by Step Solution
- Step 1: Write the proportion equation
224,731.20 : 310,129.08 = 124,129.20 : x - Step 2: Convert to fraction form
224,731.20/310,129.08 = 124,129.20/x - Step 3: Cross multiply
224,731.20x = 310,129.08 × 124,129.20 - Step 4: Simplify right side
224,731.20x = 38,496,074,597.14 - Step 5: Solve for x
x = 38,496,074,597.14/224,731.20 - Step 6: Final answer
x = 171,298.31
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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.