Finding the Fourth Proportional to 422,972.15, 634,495.61 and 119,368.99
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Solution
The fourth proportional to 422,972.15, 634,495.61 and 119,368.99 is: 179,064.04
Step by Step Solution
- Step 1: Write the proportion equation
422,972.15 : 634,495.61 = 119,368.99 : x - Step 2: Convert to fraction form
422,972.15/634,495.61 = 119,368.99/x - Step 3: Cross multiply
422,972.15x = 634,495.61 × 119,368.99 - Step 4: Simplify right side
422,972.15x = 75,739,101,216.68 - Step 5: Solve for x
x = 75,739,101,216.68/422,972.15 - Step 6: Final answer
x = 179,064.04
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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.