Finding the Fourth Proportional to 313,269.68, 432,312.59 and 170,029.75
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Solution
The fourth proportional to 313,269.68, 432,312.59 and 170,029.75 is: 234,641.28
Step by Step Solution
- Step 1: Write the proportion equation
313,269.68 : 432,312.59 = 170,029.75 : x - Step 2: Convert to fraction form
313,269.68/432,312.59 = 170,029.75/x - Step 3: Cross multiply
313,269.68x = 432,312.59 × 170,029.75 - Step 4: Simplify right side
313,269.68x = 73,505,998,587.84 - Step 5: Solve for x
x = 73,505,998,587.84/313,269.68 - Step 6: Final answer
x = 234,641.28
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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.