Finding the Fourth Proportional to 342,001.99, 513,058.11 and 105,344.44
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Solution
The fourth proportional to 342,001.99, 513,058.11 and 105,344.44 is: 158,033.64
Step by Step Solution
- Step 1: Write the proportion equation
342,001.99 : 513,058.11 = 105,344.44 : x - Step 2: Convert to fraction form
342,001.99/513,058.11 = 105,344.44/x - Step 3: Cross multiply
342,001.99x = 513,058.11 × 105,344.44 - Step 4: Simplify right side
342,001.99x = 54,047,818,002.76 - Step 5: Solve for x
x = 54,047,818,002.76/342,001.99 - Step 6: Final answer
x = 158,033.64
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.