Finding the Fourth Proportional to 368,598.26, 508,681.96 and 207,463.74
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Solution
The fourth proportional to 368,598.26, 508,681.96 and 207,463.74 is: 286,309.17
Step by Step Solution
- Step 1: Write the proportion equation
368,598.26 : 508,681.96 = 207,463.74 : x - Step 2: Convert to fraction form
368,598.26/508,681.96 = 207,463.74/x - Step 3: Cross multiply
368,598.26x = 508,681.96 × 207,463.74 - Step 4: Simplify right side
368,598.26x = 105,533,061,892.13 - Step 5: Solve for x
x = 105,533,061,892.13/368,598.26 - Step 6: Final answer
x = 286,309.17
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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.