Finding the Fourth Proportional to 805,457.91, 1,208,159.50 and 206,424.95
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Solution
The fourth proportional to 805,457.91, 1,208,159.50 and 206,424.95 is: 309,630.40
Step by Step Solution
- Step 1: Write the proportion equation
805,457.91 : 1,208,159.50 = 206,424.95 : x - Step 2: Convert to fraction form
805,457.91/1,208,159.50 = 206,424.95/x - Step 3: Cross multiply
805,457.91x = 1,208,159.50 × 206,424.95 - Step 4: Simplify right side
805,457.91x = 249,394,257,306.60 - Step 5: Solve for x
x = 249,394,257,306.60/805,457.91 - Step 6: Final answer
x = 309,630.40
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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.