Finding the Fourth Proportional to 454,709.99, 627,491.49 and 250,779.74
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Solution
The fourth proportional to 454,709.99, 627,491.49 and 250,779.74 is: 346,071.47
Step by Step Solution
- Step 1: Write the proportion equation
454,709.99 : 627,491.49 = 250,779.74 : x - Step 2: Convert to fraction form
454,709.99/627,491.49 = 250,779.74/x - Step 3: Cross multiply
454,709.99x = 627,491.49 × 250,779.74 - Step 4: Simplify right side
454,709.99x = 157,362,152,714.41 - Step 5: Solve for x
x = 157,362,152,714.41/454,709.99 - Step 6: Final answer
x = 346,071.47
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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.