Finding the Fourth Proportional to 304,878.21, 420,720.76 and 175,822.12
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Solution
The fourth proportional to 304,878.21, 420,720.76 and 175,822.12 is: 242,628.09
Step by Step Solution
- Step 1: Write the proportion equation
304,878.21 : 420,720.76 = 175,822.12 : x - Step 2: Convert to fraction form
304,878.21/420,720.76 = 175,822.12/x - Step 3: Cross multiply
304,878.21x = 420,720.76 × 175,822.12 - Step 4: Simplify right side
304,878.21x = 73,972,017,089.36 - Step 5: Solve for x
x = 73,972,017,089.36/304,878.21 - Step 6: Final answer
x = 242,628.09
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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.