Finding the Fourth Proportional to 372,266.99, 513,726.14 and 202,501.79
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Solution
The fourth proportional to 372,266.99, 513,726.14 and 202,501.79 is: 279,451.21
Step by Step Solution
- Step 1: Write the proportion equation
372,266.99 : 513,726.14 = 202,501.79 : x - Step 2: Convert to fraction form
372,266.99/513,726.14 = 202,501.79/x - Step 3: Cross multiply
372,266.99x = 513,726.14 × 202,501.79 - Step 4: Simplify right side
372,266.99x = 104,030,461,907.28 - Step 5: Solve for x
x = 104,030,461,907.28/372,266.99 - Step 6: Final answer
x = 279,451.21
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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.