Finding the Fourth Proportional to 683,779.84, 1,025,551.12 and 185,027.20
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Solution
The fourth proportional to 683,779.84, 1,025,551.12 and 185,027.20 is: 277,508.70
Step by Step Solution
- Step 1: Write the proportion equation
683,779.84 : 1,025,551.12 = 185,027.20 : x - Step 2: Convert to fraction form
683,779.84/1,025,551.12 = 185,027.20/x - Step 3: Cross multiply
683,779.84x = 1,025,551.12 × 185,027.20 - Step 4: Simplify right side
683,779.84x = 189,754,852,190.46 - Step 5: Solve for x
x = 189,754,852,190.46/683,779.84 - Step 6: Final answer
x = 277,508.70
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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.