Finding the Fourth Proportional to 368,275.49, 508,215.16 and 207,130.49
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Solution
The fourth proportional to 368,275.49, 508,215.16 and 207,130.49 is: 285,837.26
Step by Step Solution
- Step 1: Write the proportion equation
368,275.49 : 508,215.16 = 207,130.49 : x - Step 2: Convert to fraction form
368,275.49/508,215.16 = 207,130.49/x - Step 3: Cross multiply
368,275.49x = 508,215.16 × 207,130.49 - Step 4: Simplify right side
368,275.49x = 105,266,855,116.23 - Step 5: Solve for x
x = 105,266,855,116.23/368,275.49 - Step 6: Final answer
x = 285,837.26
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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.