Finding the Fourth Proportional to 251,802.08, 347,473.68 and 138,602.72
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Solution
The fourth proportional to 251,802.08, 347,473.68 and 138,602.72 is: 191,264.49
Step by Step Solution
- Step 1: Write the proportion equation
251,802.08 : 347,473.68 = 138,602.72 : x - Step 2: Convert to fraction form
251,802.08/347,473.68 = 138,602.72/x - Step 3: Cross multiply
251,802.08x = 347,473.68 × 138,602.72 - Step 4: Simplify right side
251,802.08x = 48,160,797,176.41 - Step 5: Solve for x
x = 48,160,797,176.41/251,802.08 - Step 6: Final answer
x = 191,264.49
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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.