Finding the Fourth Proportional to 249,619.80, 374,429.70 and 235,841.70
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Solution
The fourth proportional to 249,619.80, 374,429.70 and 235,841.70 is: 353,762.55
Step by Step Solution
- Step 1: Write the proportion equation
249,619.80 : 374,429.70 = 235,841.70 : x - Step 2: Convert to fraction form
249,619.80/374,429.70 = 235,841.70/x - Step 3: Cross multiply
249,619.80x = 374,429.70 × 235,841.70 - Step 4: Simplify right side
249,619.80x = 88,306,136,978.49 - Step 5: Solve for x
x = 88,306,136,978.49/249,619.80 - Step 6: Final answer
x = 353,762.55
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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.