Finding the Fourth Proportional to 423,083.99, 634,617.79 and 103,237.94
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Solution
The fourth proportional to 423,083.99, 634,617.79 and 103,237.94 is: 154,854.90
Step by Step Solution
- Step 1: Write the proportion equation
423,083.99 : 634,617.79 = 103,237.94 : x - Step 2: Convert to fraction form
423,083.99/634,617.79 = 103,237.94/x - Step 3: Cross multiply
423,083.99x = 634,617.79 × 103,237.94 - Step 4: Simplify right side
423,083.99x = 65,516,629,895.77 - Step 5: Solve for x
x = 65,516,629,895.77/423,083.99 - Step 6: Final answer
x = 154,854.90
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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.