Finding the Fourth Proportional to 805,124.95, 1,207,686.65 and 206,085.15
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Solution
The fourth proportional to 805,124.95, 1,207,686.65 and 206,085.15 is: 309,127.53
Step by Step Solution
- Step 1: Write the proportion equation
805,124.95 : 1,207,686.65 = 206,085.15 : x - Step 2: Convert to fraction form
805,124.95/1,207,686.65 = 206,085.15/x - Step 3: Cross multiply
805,124.95x = 1,207,686.65 × 206,085.15 - Step 4: Simplify right side
805,124.95x = 248,886,284,418.25 - Step 5: Solve for x
x = 248,886,284,418.25/805,124.95 - Step 6: Final answer
x = 309,127.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.