Finding the Fourth Proportional to 372,139.36, 513,547.50 and 202,369.84
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Solution
The fourth proportional to 372,139.36, 513,547.50 and 202,369.84 is: 279,267.76
Step by Step Solution
- Step 1: Write the proportion equation
372,139.36 : 513,547.50 = 202,369.84 : x - Step 2: Convert to fraction form
372,139.36/513,547.50 = 202,369.84/x - Step 3: Cross multiply
372,139.36x = 513,547.50 × 202,369.84 - Step 4: Simplify right side
372,139.36x = 103,926,525,407.40 - Step 5: Solve for x
x = 103,926,525,407.40/372,139.36 - Step 6: Final answer
x = 279,267.76
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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.