Finding the Fourth Proportional to 249,217.92, 343,914.12 and 229,155.84
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Solution
The fourth proportional to 249,217.92, 343,914.12 and 229,155.84 is: 316,228.98
Step by Step Solution
- Step 1: Write the proportion equation
249,217.92 : 343,914.12 = 229,155.84 : x - Step 2: Convert to fraction form
249,217.92/343,914.12 = 229,155.84/x - Step 3: Cross multiply
249,217.92x = 343,914.12 × 229,155.84 - Step 4: Simplify right side
249,217.92x = 78,809,929,056.46 - Step 5: Solve for x
x = 78,809,929,056.46/249,217.92 - Step 6: Final answer
x = 316,228.98
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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.