Finding the Fourth Proportional to 318,782.84, 439,920.27 and 175,542.53
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Solution
The fourth proportional to 318,782.84, 439,920.27 and 175,542.53 is: 242,248.66
Step by Step Solution
- Step 1: Write the proportion equation
318,782.84 : 439,920.27 = 175,542.53 : x - Step 2: Convert to fraction form
318,782.84/439,920.27 = 175,542.53/x - Step 3: Cross multiply
318,782.84x = 439,920.27 × 175,542.53 - Step 4: Simplify right side
318,782.84x = 77,224,714,994.48 - Step 5: Solve for x
x = 77,224,714,994.48/318,782.84 - Step 6: Final answer
x = 242,248.66
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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.