Finding the Fourth Proportional to 318,808.13, 439,948.53 and 175,569.35
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Solution
The fourth proportional to 318,808.13, 439,948.53 and 175,569.35 is: 242,282.02
Step by Step Solution
- Step 1: Write the proportion equation
318,808.13 : 439,948.53 = 175,569.35 : x - Step 2: Convert to fraction form
318,808.13/439,948.53 = 175,569.35/x - Step 3: Cross multiply
318,808.13x = 439,948.53 × 175,569.35 - Step 4: Simplify right side
318,808.13x = 77,241,475,245.81 - Step 5: Solve for x
x = 77,241,475,245.81/318,808.13 - Step 6: Final answer
x = 242,282.02
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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.