Finding the Fourth Proportional to 513,875.87, 770,920.18 and 154,032.19
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Solution
The fourth proportional to 513,875.87, 770,920.18 and 154,032.19 is: 231,080.17
Step by Step Solution
- Step 1: Write the proportion equation
513,875.87 : 770,920.18 = 154,032.19 : x - Step 2: Convert to fraction form
513,875.87/770,920.18 = 154,032.19/x - Step 3: Cross multiply
513,875.87x = 770,920.18 × 154,032.19 - Step 4: Simplify right side
513,875.87x = 118,746,523,640.59 - Step 5: Solve for x
x = 118,746,523,640.59/513,875.87 - Step 6: Final answer
x = 231,080.17
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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.