Finding the Fourth Proportional to 211,322.96, 291,632.91 and 115,829.63
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Solution
The fourth proportional to 211,322.96, 291,632.91 and 115,829.63 is: 159,848.85
Step by Step Solution
- Step 1: Write the proportion equation
211,322.96 : 291,632.91 = 115,829.63 : x - Step 2: Convert to fraction form
211,322.96/291,632.91 = 115,829.63/x - Step 3: Cross multiply
211,322.96x = 291,632.91 × 115,829.63 - Step 4: Simplify right side
211,322.96x = 33,779,732,061.12 - Step 5: Solve for x
x = 33,779,732,061.12/211,322.96 - Step 6: Final answer
x = 159,848.85
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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.