Finding the Fourth Proportional to 450,586.71, 621,816.08 and 249,382.71
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Solution
The fourth proportional to 450,586.71, 621,816.08 and 249,382.71 is: 344,151.69
Step by Step Solution
- Step 1: Write the proportion equation
450,586.71 : 621,816.08 = 249,382.71 : x - Step 2: Convert to fraction form
450,586.71/621,816.08 = 249,382.71/x - Step 3: Cross multiply
450,586.71x = 621,816.08 × 249,382.71 - Step 4: Simplify right side
450,586.71x = 155,070,177,905.06 - Step 5: Solve for x
x = 155,070,177,905.06/450,586.71 - Step 6: Final answer
x = 344,151.69
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1.5x scale
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.