Finding the Fourth Proportional to 314,165.40, 471,248.10 and 164,347.80
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Solution
The fourth proportional to 314,165.40, 471,248.10 and 164,347.80 is: 246,521.70
Step by Step Solution
- Step 1: Write the proportion equation
314,165.40 : 471,248.10 = 164,347.80 : x - Step 2: Convert to fraction form
314,165.40/471,248.10 = 164,347.80/x - Step 3: Cross multiply
314,165.40x = 471,248.10 × 164,347.80 - Step 4: Simplify right side
314,165.40x = 77,448,588,489.18 - Step 5: Solve for x
x = 77,448,588,489.18/314,165.40 - Step 6: Final answer
x = 246,521.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.