Finding the Fourth Proportional to 249,511.34, 343,967.14 and 177,766.80
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Solution
The fourth proportional to 249,511.34, 343,967.14 and 177,766.80 is: 245,062.76
Step by Step Solution
- Step 1: Write the proportion equation
249,511.34 : 343,967.14 = 177,766.80 : x - Step 2: Convert to fraction form
249,511.34/343,967.14 = 177,766.80/x - Step 3: Cross multiply
249,511.34x = 343,967.14 × 177,766.80 - Step 4: Simplify right side
249,511.34x = 61,145,937,650.16 - Step 5: Solve for x
x = 61,145,937,650.16/249,511.34 - Step 6: Final answer
x = 245,062.76
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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.