Finding the Fourth Proportional to 157,192.68, 235,646.80 and 57,329.48
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Solution
The fourth proportional to 157,192.68, 235,646.80 and 57,329.48 is: 85,942.35
Step by Step Solution
- Step 1: Write the proportion equation
157,192.68 : 235,646.80 = 57,329.48 : x - Step 2: Convert to fraction form
157,192.68/235,646.80 = 57,329.48/x - Step 3: Cross multiply
157,192.68x = 235,646.80 × 57,329.48 - Step 4: Simplify right side
157,192.68x = 13,509,508,507.66 - Step 5: Solve for x
x = 13,509,508,507.66/157,192.68 - Step 6: Final answer
x = 85,942.35
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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.