Finding the Fourth Proportional to 653,195.58, 979,854.99 and 253,866.93
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Solution
The fourth proportional to 653,195.58, 979,854.99 and 253,866.93 is: 380,824.34
Step by Step Solution
- Step 1: Write the proportion equation
653,195.58 : 979,854.99 = 253,866.93 : x - Step 2: Convert to fraction form
653,195.58/979,854.99 = 253,866.93/x - Step 3: Cross multiply
653,195.58x = 979,854.99 × 253,866.93 - Step 4: Simplify right side
653,195.58x = 248,752,778,156.48 - Step 5: Solve for x
x = 248,752,778,156.48/653,195.58 - Step 6: Final answer
x = 380,824.34
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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.