Finding the Fourth Proportional to 291,844.02, 402,744.51 and 157,708.02
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Solution
The fourth proportional to 291,844.02, 402,744.51 and 157,708.02 is: 217,636.94
Step by Step Solution
- Step 1: Write the proportion equation
291,844.02 : 402,744.51 = 157,708.02 : x - Step 2: Convert to fraction form
291,844.02/402,744.51 = 157,708.02/x - Step 3: Cross multiply
291,844.02x = 402,744.51 × 157,708.02 - Step 4: Simplify right side
291,844.02x = 63,516,039,237.97 - Step 5: Solve for x
x = 63,516,039,237.97/291,844.02 - Step 6: Final answer
x = 217,636.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.