Finding the Fourth Proportional to 668,840.13, 1,003,257.50 and 242,276.18
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Solution
The fourth proportional to 668,840.13, 1,003,257.50 and 242,276.18 is: 363,413.28
Step by Step Solution
- Step 1: Write the proportion equation
668,840.13 : 1,003,257.50 = 242,276.18 : x - Step 2: Convert to fraction form
668,840.13/1,003,257.50 = 242,276.18/x - Step 3: Cross multiply
668,840.13x = 1,003,257.50 × 242,276.18 - Step 4: Simplify right side
668,840.13x = 243,065,388,428.68 - Step 5: Solve for x
x = 243,065,388,428.68/668,840.13 - Step 6: Final answer
x = 363,413.28
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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.