Finding the Fourth Proportional to 211,363.29, 291,681.27 and 115,867.94
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Solution
The fourth proportional to 211,363.29, 291,681.27 and 115,867.94 is: 159,897.71
Step by Step Solution
- Step 1: Write the proportion equation
211,363.29 : 291,681.27 = 115,867.94 : x - Step 2: Convert to fraction form
211,363.29/291,681.27 = 115,867.94/x - Step 3: Cross multiply
211,363.29x = 291,681.27 × 115,867.94 - Step 4: Simplify right side
211,363.29x = 33,796,506,433.08 - Step 5: Solve for x
x = 33,796,506,433.08/211,363.29 - Step 6: Final answer
x = 159,897.71
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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.