Finding the Fourth Proportional to 425,571.24, 638,368.02 and 110,027.28
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Solution
The fourth proportional to 425,571.24, 638,368.02 and 110,027.28 is: 165,043.81
Step by Step Solution
- Step 1: Write the proportion equation
425,571.24 : 638,368.02 = 110,027.28 : x - Step 2: Convert to fraction form
425,571.24/638,368.02 = 110,027.28/x - Step 3: Cross multiply
425,571.24x = 638,368.02 × 110,027.28 - Step 4: Simplify right side
425,571.24x = 70,237,896,879.59 - Step 5: Solve for x
x = 70,237,896,879.59/425,571.24 - Step 6: Final answer
x = 165,043.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.