Finding the Fourth Proportional to 249,003.11, 343,655.16 and 152,187.05
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Solution
The fourth proportional to 249,003.11, 343,655.16 and 152,187.05 is: 210,036.99
Step by Step Solution
- Step 1: Write the proportion equation
249,003.11 : 343,655.16 = 152,187.05 : x - Step 2: Convert to fraction form
249,003.11/343,655.16 = 152,187.05/x - Step 3: Cross multiply
249,003.11x = 343,655.16 × 152,187.05 - Step 4: Simplify right side
249,003.11x = 52,299,865,306.11 - Step 5: Solve for x
x = 52,299,865,306.11/249,003.11 - Step 6: Final answer
x = 210,036.99
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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.