Finding the Fourth Proportional to 402,817.00, 555,876.36 and 221,528.93
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Solution
The fourth proportional to 402,817.00, 555,876.36 and 221,528.93 is: 305,703.81
Step by Step Solution
- Step 1: Write the proportion equation
402,817.00 : 555,876.36 = 221,528.93 : x - Step 2: Convert to fraction form
402,817.00/555,876.36 = 221,528.93/x - Step 3: Cross multiply
402,817.00x = 555,876.36 × 221,528.93 - Step 4: Simplify right side
402,817.00x = 123,142,692,152.19 - Step 5: Solve for x
x = 123,142,692,152.19/402,817.00 - Step 6: Final answer
x = 305,703.81
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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.