Finding the Fourth Proportional to 368,471.03, 508,499.94 and 207,331.79
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Solution
The fourth proportional to 368,471.03, 508,499.94 and 207,331.79 is: 286,123.45
Step by Step Solution
- Step 1: Write the proportion equation
368,471.03 : 508,499.94 = 207,331.79 : x - Step 2: Convert to fraction form
368,471.03/508,499.94 = 207,331.79/x - Step 3: Cross multiply
368,471.03x = 508,499.94 × 207,331.79 - Step 4: Simplify right side
368,471.03x = 105,428,201,010.09 - Step 5: Solve for x
x = 105,428,201,010.09/368,471.03 - Step 6: Final answer
x = 286,123.45
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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.