Finding the Fourth Proportional to 211,088.18, 291,298.74 and 115,594.85
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Solution
The fourth proportional to 211,088.18, 291,298.74 and 115,594.85 is: 159,519.28
Step by Step Solution
- Step 1: Write the proportion equation
211,088.18 : 291,298.74 = 115,594.85 : x - Step 2: Convert to fraction form
211,088.18/291,298.74 = 115,594.85/x - Step 3: Cross multiply
211,088.18x = 291,298.74 × 115,594.85 - Step 4: Simplify right side
211,088.18x = 33,672,634,155.49 - Step 5: Solve for x
x = 33,672,634,155.49/211,088.18 - Step 6: Final answer
x = 159,519.28
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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.