Finding the Fourth Proportional to 313,562.96, 432,720.08 and 170,325.80
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Solution
The fourth proportional to 313,562.96, 432,720.08 and 170,325.80 is: 235,051.34
Step by Step Solution
- Step 1: Write the proportion equation
313,562.96 : 432,720.08 = 170,325.80 : x - Step 2: Convert to fraction form
313,562.96/432,720.08 = 170,325.80/x - Step 3: Cross multiply
313,562.96x = 432,720.08 × 170,325.80 - Step 4: Simplify right side
313,562.96x = 73,703,393,802.06 - Step 5: Solve for x
x = 73,703,393,802.06/313,562.96 - Step 6: Final answer
x = 235,051.34
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1.5x scale
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.