Finding the Fourth Proportional to 306,848.18, 423,443.87 and 169,030.97
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Solution
The fourth proportional to 306,848.18, 423,443.87 and 169,030.97 is: 233,259.09
Step by Step Solution
- Step 1: Write the proportion equation
306,848.18 : 423,443.87 = 169,030.97 : x - Step 2: Convert to fraction form
306,848.18/423,443.87 = 169,030.97/x - Step 3: Cross multiply
306,848.18x = 423,443.87 × 169,030.97 - Step 4: Simplify right side
306,848.18x = 71,575,125,969.43 - Step 5: Solve for x
x = 71,575,125,969.43/306,848.18 - Step 6: Final answer
x = 233,259.09
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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.