Finding the Fourth Proportional to 302,418.20, 452,971.20 and 249,930.20
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Solution
The fourth proportional to 302,418.20, 452,971.20 and 249,930.20 is: 374,353.07
Step by Step Solution
- Step 1: Write the proportion equation
302,418.20 : 452,971.20 = 249,930.20 : x - Step 2: Convert to fraction form
302,418.20/452,971.20 = 249,930.20/x - Step 3: Cross multiply
302,418.20x = 452,971.20 × 249,930.20 - Step 4: Simplify right side
302,418.20x = 113,211,182,610.24 - Step 5: Solve for x
x = 113,211,182,610.24/302,418.20 - Step 6: Final answer
x = 374,353.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.