Finding the Fourth Proportional to 547,386.18, 755,394.06 and 305,668.02
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Solution
The fourth proportional to 547,386.18, 755,394.06 and 305,668.02 is: 421,822.50
Step by Step Solution
- Step 1: Write the proportion equation
547,386.18 : 755,394.06 = 305,668.02 : x - Step 2: Convert to fraction form
547,386.18/755,394.06 = 305,668.02/x - Step 3: Cross multiply
547,386.18x = 755,394.06 × 305,668.02 - Step 4: Simplify right side
547,386.18x = 230,899,806,639.96 - Step 5: Solve for x
x = 230,899,806,639.96/547,386.18 - Step 6: Final answer
x = 421,822.50
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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.