Finding the Fourth Proportional to 302,853.87, 417,938.36 and 175,603.28
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Solution
The fourth proportional to 302,853.87, 417,938.36 and 175,603.28 is: 242,332.53
Step by Step Solution
- Step 1: Write the proportion equation
302,853.87 : 417,938.36 = 175,603.28 : x - Step 2: Convert to fraction form
302,853.87/417,938.36 = 175,603.28/x - Step 3: Cross multiply
302,853.87x = 417,938.36 × 175,603.28 - Step 4: Simplify right side
302,853.87x = 73,391,345,203.14 - Step 5: Solve for x
x = 73,391,345,203.14/302,853.87 - Step 6: Final answer
x = 242,332.53
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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.