Finding the Fourth Proportional to 453,968.76, 626,452.53 and 249,979.83
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Solution
The fourth proportional to 453,968.76, 626,452.53 and 249,979.83 is: 344,958.75
Step by Step Solution
- Step 1: Write the proportion equation
453,968.76 : 626,452.53 = 249,979.83 : x - Step 2: Convert to fraction form
453,968.76/626,452.53 = 249,979.83/x - Step 3: Cross multiply
453,968.76x = 626,452.53 × 249,979.83 - Step 4: Simplify right side
453,968.76x = 156,600,496,952.47 - Step 5: Solve for x
x = 156,600,496,952.47/453,968.76 - Step 6: Final answer
x = 344,958.75
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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.