Finding the Fourth Proportional to 234,137.30, 323,248.68 and 153,705.51
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Solution
The fourth proportional to 234,137.30, 323,248.68 and 153,705.51 is: 212,204.99
Step by Step Solution
- Step 1: Write the proportion equation
234,137.30 : 323,248.68 = 153,705.51 : x - Step 2: Convert to fraction form
234,137.30/323,248.68 = 153,705.51/x - Step 3: Cross multiply
234,137.30x = 323,248.68 × 153,705.51 - Step 4: Simplify right side
234,137.30x = 49,685,103,216.23 - Step 5: Solve for x
x = 49,685,103,216.23/234,137.30 - Step 6: Final answer
x = 212,204.99
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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.