Finding the Fourth Proportional to 168,400.40, 232,394.48 and 92,948.96
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Solution
The fourth proportional to 168,400.40, 232,394.48 and 92,948.96 is: 128,270.63
Step by Step Solution
- Step 1: Write the proportion equation
168,400.40 : 232,394.48 = 92,948.96 : x - Step 2: Convert to fraction form
168,400.40/232,394.48 = 92,948.96/x - Step 3: Cross multiply
168,400.40x = 232,394.48 × 92,948.96 - Step 4: Simplify right side
168,400.40x = 21,600,825,225.74 - Step 5: Solve for x
x = 21,600,825,225.74/168,400.40 - Step 6: Final answer
x = 128,270.63
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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.