Finding the Fourth Proportional to 513,688.06, 770,684.73 and 247,371.58
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Solution
The fourth proportional to 513,688.06, 770,684.73 and 247,371.58 is: 371,130.88
Step by Step Solution
- Step 1: Write the proportion equation
513,688.06 : 770,684.73 = 247,371.58 : x - Step 2: Convert to fraction form
513,688.06/770,684.73 = 247,371.58/x - Step 3: Cross multiply
513,688.06x = 770,684.73 × 247,371.58 - Step 4: Simplify right side
513,688.06x = 190,645,499,341.97 - Step 5: Solve for x
x = 190,645,499,341.97/513,688.06 - Step 6: Final answer
x = 371,130.88
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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.