Finding the Fourth Proportional to 450,613.75, 621,856.70 and 249,409.75
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Solution
The fourth proportional to 450,613.75, 621,856.70 and 249,409.75 is: 344,190.84
Step by Step Solution
- Step 1: Write the proportion equation
450,613.75 : 621,856.70 = 249,409.75 : x - Step 2: Convert to fraction form
450,613.75/621,856.70 = 249,409.75/x - Step 3: Cross multiply
450,613.75x = 621,856.70 × 249,409.75 - Step 4: Simplify right side
450,613.75x = 155,097,124,082.83 - Step 5: Solve for x
x = 155,097,124,082.83/450,613.75 - Step 6: Final answer
x = 344,190.84
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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.