Finding the Fourth Proportional to 211,054.08, 291,254.49 and 115,562.64
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Solution
The fourth proportional to 211,054.08, 291,254.49 and 115,562.64 is: 159,476.37
Step by Step Solution
- Step 1: Write the proportion equation
211,054.08 : 291,254.49 = 115,562.64 : x - Step 2: Convert to fraction form
211,054.08/291,254.49 = 115,562.64/x - Step 3: Cross multiply
211,054.08x = 291,254.49 × 115,562.64 - Step 4: Simplify right side
211,054.08x = 33,658,137,776.25 - Step 5: Solve for x
x = 33,658,137,776.25/211,054.08 - Step 6: Final answer
x = 159,476.37
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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.