Finding the Fourth Proportional to 453,388.14, 625,675.66 and 249,434.70
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Solution
The fourth proportional to 453,388.14, 625,675.66 and 249,434.70 is: 344,219.89
Step by Step Solution
- Step 1: Write the proportion equation
453,388.14 : 625,675.66 = 249,434.70 : x - Step 2: Convert to fraction form
453,388.14/625,675.66 = 249,434.70/x - Step 3: Cross multiply
453,388.14x = 625,675.66 × 249,434.70 - Step 4: Simplify right side
453,388.14x = 156,065,217,579.53 - Step 5: Solve for x
x = 156,065,217,579.53/453,388.14 - Step 6: Final answer
x = 344,219.89
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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.