Finding the Fourth Proportional to 318,699.65, 439,804.26 and 175,459.79
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Solution
The fourth proportional to 318,699.65, 439,804.26 and 175,459.79 is: 242,133.82
Step by Step Solution
- Step 1: Write the proportion equation
318,699.65 : 439,804.26 = 175,459.79 : x - Step 2: Convert to fraction form
318,699.65/439,804.26 = 175,459.79/x - Step 3: Cross multiply
318,699.65x = 439,804.26 × 175,459.79 - Step 4: Simplify right side
318,699.65x = 77,167,960,901.68 - Step 5: Solve for x
x = 77,167,960,901.68/318,699.65 - Step 6: Final answer
x = 242,133.82
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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.