Finding the Fourth Proportional to 297,637.81, 410,747.59 and 161,671.71
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Solution
The fourth proportional to 297,637.81, 410,747.59 and 161,671.71 is: 223,110.99
Step by Step Solution
- Step 1: Write the proportion equation
297,637.81 : 410,747.59 = 161,671.71 : x - Step 2: Convert to fraction form
297,637.81/410,747.59 = 161,671.71/x - Step 3: Cross multiply
297,637.81x = 410,747.59 × 161,671.71 - Step 4: Simplify right side
297,637.81x = 66,406,266,996.07 - Step 5: Solve for x
x = 66,406,266,996.07/297,637.81 - Step 6: Final answer
x = 223,110.99
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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.