Finding the Fourth Proportional to 453,866.78, 626,311.36 and 249,878.97
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Solution
The fourth proportional to 453,866.78, 626,311.36 and 249,878.97 is: 344,819.32
Step by Step Solution
- Step 1: Write the proportion equation
453,866.78 : 626,311.36 = 249,878.97 : x - Step 2: Convert to fraction form
453,866.78/626,311.36 = 249,878.97/x - Step 3: Cross multiply
453,866.78x = 626,311.36 × 249,878.97 - Step 4: Simplify right side
453,866.78x = 156,502,034,562.73 - Step 5: Solve for x
x = 156,502,034,562.73/453,866.78 - Step 6: Final answer
x = 344,819.32
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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.