Finding the Fourth Proportional to 415,577.80, 623,366.70 and 249,689.80
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Solution
The fourth proportional to 415,577.80, 623,366.70 and 249,689.80 is: 374,534.70
Step by Step Solution
- Step 1: Write the proportion equation
415,577.80 : 623,366.70 = 249,689.80 : x - Step 2: Convert to fraction form
415,577.80/623,366.70 = 249,689.80/x - Step 3: Cross multiply
415,577.80x = 623,366.70 × 249,689.80 - Step 4: Simplify right side
415,577.80x = 155,648,306,649.66 - Step 5: Solve for x
x = 155,648,306,649.66/415,577.80 - Step 6: Final answer
x = 374,534.70
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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.