Finding the Fourth Proportional to 291,655.24, 402,525.93 and 164,342.68
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Solution
The fourth proportional to 291,655.24, 402,525.93 and 164,342.68 is: 226,816.39
Step by Step Solution
- Step 1: Write the proportion equation
291,655.24 : 402,525.93 = 164,342.68 : x - Step 2: Convert to fraction form
291,655.24/402,525.93 = 164,342.68/x - Step 3: Cross multiply
291,655.24x = 402,525.93 × 164,342.68 - Step 4: Simplify right side
291,655.24x = 66,152,190,105.69 - Step 5: Solve for x
x = 66,152,190,105.69/291,655.24 - Step 6: Final answer
x = 226,816.39
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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.