Finding the Fourth Proportional to 368,275.73, 508,215.50 and 207,130.74
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Solution
The fourth proportional to 368,275.73, 508,215.50 and 207,130.74 is: 285,837.60
Step by Step Solution
- Step 1: Write the proportion equation
368,275.73 : 508,215.50 = 207,130.74 : x - Step 2: Convert to fraction form
368,275.73/508,215.50 = 207,130.74/x - Step 3: Cross multiply
368,275.73x = 508,215.50 × 207,130.74 - Step 4: Simplify right side
368,275.73x = 105,267,053,112.30 - Step 5: Solve for x
x = 105,267,053,112.30/368,275.73 - Step 6: Final answer
x = 285,837.60
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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.