Finding the Fourth Proportional to 547,117.00, 755,018.56 and 317,730.68
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Solution
The fourth proportional to 547,117.00, 755,018.56 and 317,730.68 is: 438,466.66
Step by Step Solution
- Step 1: Write the proportion equation
547,117.00 : 755,018.56 = 317,730.68 : x - Step 2: Convert to fraction form
547,117.00/755,018.56 = 317,730.68/x - Step 3: Cross multiply
547,117.00x = 755,018.56 × 317,730.68 - Step 4: Simplify right side
547,117.00x = 239,892,559,934.81 - Step 5: Solve for x
x = 239,892,559,934.81/547,117.00 - Step 6: Final answer
x = 438,466.66
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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.