Finding the Fourth Proportional to 161,943.12, 242,887.14 and 43,588.08
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Solution
The fourth proportional to 161,943.12, 242,887.14 and 43,588.08 is: 65,374.71
Step by Step Solution
- Step 1: Write the proportion equation
161,943.12 : 242,887.14 = 43,588.08 : x - Step 2: Convert to fraction form
161,943.12/242,887.14 = 43,588.08/x - Step 3: Cross multiply
161,943.12x = 242,887.14 × 43,588.08 - Step 4: Simplify right side
161,943.12x = 10,586,984,089.29 - Step 5: Solve for x
x = 10,586,984,089.29/161,943.12 - Step 6: Final answer
x = 65,374.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.