Finding the Fourth Proportional to 240,207.47, 331,486.38 and 131,312.28
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Solution
The fourth proportional to 240,207.47, 331,486.38 and 131,312.28 is: 181,210.99
Step by Step Solution
- Step 1: Write the proportion equation
240,207.47 : 331,486.38 = 131,312.28 : x - Step 2: Convert to fraction form
240,207.47/331,486.38 = 131,312.28/x - Step 3: Cross multiply
240,207.47x = 331,486.38 × 131,312.28 - Step 4: Simplify right side
240,207.47x = 43,528,232,346.75 - Step 5: Solve for x
x = 43,528,232,346.75/240,207.47 - Step 6: Final answer
x = 181,210.99
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1.5x scale
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.