Finding the Fourth Proportional to 249,073.23, 343,772.21 and 152,293.62
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Solution
The fourth proportional to 249,073.23, 343,772.21 and 152,293.62 is: 210,196.47
Step by Step Solution
- Step 1: Write the proportion equation
249,073.23 : 343,772.21 = 152,293.62 : x - Step 2: Convert to fraction form
249,073.23/343,772.21 = 152,293.62/x - Step 3: Cross multiply
249,073.23x = 343,772.21 × 152,293.62 - Step 4: Simplify right side
249,073.23x = 52,354,313,554.83 - Step 5: Solve for x
x = 52,354,313,554.83/249,073.23 - Step 6: Final answer
x = 210,196.47
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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.