Finding the Fourth Proportional to 438,830.70, 658,246.05 and 249,217.80
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Solution
The fourth proportional to 438,830.70, 658,246.05 and 249,217.80 is: 373,826.70
Step by Step Solution
- Step 1: Write the proportion equation
438,830.70 : 658,246.05 = 249,217.80 : x - Step 2: Convert to fraction form
438,830.70/658,246.05 = 249,217.80/x - Step 3: Cross multiply
438,830.70x = 658,246.05 × 249,217.80 - Step 4: Simplify right side
438,830.70x = 164,046,632,439.69 - Step 5: Solve for x
x = 164,046,632,439.69/438,830.70 - Step 6: Final answer
x = 373,826.70
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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.