Finding the Fourth Proportional to 461,954.70, 692,997.66 and 142,133.06
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Solution
The fourth proportional to 461,954.70, 692,997.66 and 142,133.06 is: 213,219.78
Step by Step Solution
- Step 1: Write the proportion equation
461,954.70 : 692,997.66 = 142,133.06 : x - Step 2: Convert to fraction form
461,954.70/692,997.66 = 142,133.06/x - Step 3: Cross multiply
461,954.70x = 692,997.66 × 142,133.06 - Step 4: Simplify right side
461,954.70x = 98,497,879,721.13 - Step 5: Solve for x
x = 98,497,879,721.13/461,954.70 - Step 6: Final answer
x = 213,219.78
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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.