Finding the Fourth Proportional to 310,881.24, 466,252.20 and 121,346.10
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Solution
The fourth proportional to 310,881.24, 466,252.20 and 121,346.10 is: 181,991.96
Step by Step Solution
- Step 1: Write the proportion equation
310,881.24 : 466,252.20 = 121,346.10 : x - Step 2: Convert to fraction form
310,881.24/466,252.20 = 121,346.10/x - Step 3: Cross multiply
310,881.24x = 466,252.20 × 121,346.10 - Step 4: Simplify right side
310,881.24x = 56,577,886,086.42 - Step 5: Solve for x
x = 56,577,886,086.42/310,881.24 - Step 6: Final answer
x = 181,991.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.