Finding the Fourth Proportional to 305,460.60, 421,537.88 and 169,495.08
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Solution
The fourth proportional to 305,460.60, 421,537.88 and 169,495.08 is: 233,904.46
Step by Step Solution
- Step 1: Write the proportion equation
305,460.60 : 421,537.88 = 169,495.08 : x - Step 2: Convert to fraction form
305,460.60/421,537.88 = 169,495.08/x - Step 3: Cross multiply
305,460.60x = 421,537.88 × 169,495.08 - Step 4: Simplify right side
305,460.60x = 71,448,596,693.63 - Step 5: Solve for x
x = 71,448,596,693.63/305,460.60 - Step 6: Final answer
x = 233,904.46
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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.