Finding the Fourth Proportional to 745,139.08, 1,117,708.98 and 246,503.08
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Solution
The fourth proportional to 745,139.08, 1,117,708.98 and 246,503.08 is: 369,754.74
Step by Step Solution
- Step 1: Write the proportion equation
745,139.08 : 1,117,708.98 = 246,503.08 : x - Step 2: Convert to fraction form
745,139.08/1,117,708.98 = 246,503.08/x - Step 3: Cross multiply
745,139.08x = 1,117,708.98 × 246,503.08 - Step 4: Simplify right side
745,139.08x = 275,518,706,113.66 - Step 5: Solve for x
x = 275,518,706,113.66/745,139.08 - Step 6: Final answer
x = 369,754.74
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1.5x scale
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.