Finding the Fourth Proportional to 545,284.14, 752,475.02 and 315,845.91
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Solution
The fourth proportional to 545,284.14, 752,475.02 and 315,845.91 is: 435,857.45
Step by Step Solution
- Step 1: Write the proportion equation
545,284.14 : 752,475.02 = 315,845.91 : x - Step 2: Convert to fraction form
545,284.14/752,475.02 = 315,845.91/x - Step 3: Cross multiply
545,284.14x = 752,475.02 × 315,845.91 - Step 4: Simplify right side
545,284.14x = 237,666,157,444.17 - Step 5: Solve for x
x = 237,666,157,444.17/545,284.14 - Step 6: Final answer
x = 435,857.45
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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.