Finding the Fourth Proportional to 450,813.06, 621,981.18 and 259,800.48
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Solution
The fourth proportional to 450,813.06, 621,981.18 and 259,800.48 is: 358,443.50
Step by Step Solution
- Step 1: Write the proportion equation
450,813.06 : 621,981.18 = 259,800.48 : x - Step 2: Convert to fraction form
450,813.06/621,981.18 = 259,800.48/x - Step 3: Cross multiply
450,813.06x = 621,981.18 × 259,800.48 - Step 4: Simplify right side
450,813.06x = 161,591,009,114.97 - Step 5: Solve for x
x = 161,591,009,114.97/450,813.06 - Step 6: Final answer
x = 358,443.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.