Finding the Fourth Proportional to 251,476.02, 347,029.97 and 138,298.77
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Solution
The fourth proportional to 251,476.02, 347,029.97 and 138,298.77 is: 190,848.48
Step by Step Solution
- Step 1: Write the proportion equation
251,476.02 : 347,029.97 = 138,298.77 : x - Step 2: Convert to fraction form
251,476.02/347,029.97 = 138,298.77/x - Step 3: Cross multiply
251,476.02x = 347,029.97 × 138,298.77 - Step 4: Simplify right side
251,476.02x = 47,993,817,312.64 - Step 5: Solve for x
x = 47,993,817,312.64/251,476.02 - Step 6: Final answer
x = 190,848.48
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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.