Finding the Fourth Proportional to 249,029.87, 343,659.63 and 141,599.90
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Solution
The fourth proportional to 249,029.87, 343,659.63 and 141,599.90 is: 195,406.95
Step by Step Solution
- Step 1: Write the proportion equation
249,029.87 : 343,659.63 = 141,599.90 : x - Step 2: Convert to fraction form
249,029.87/343,659.63 = 141,599.90/x - Step 3: Cross multiply
249,029.87x = 343,659.63 × 141,599.90 - Step 4: Simplify right side
249,029.87x = 48,662,167,523.74 - Step 5: Solve for x
x = 48,662,167,523.74/249,029.87 - Step 6: Final answer
x = 195,406.95
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1.5x scale
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.