Finding the Fourth Proportional to 532,439.16, 734,781.18 and 290,737.08
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Solution
The fourth proportional to 532,439.16, 734,781.18 and 290,737.08 is: 401,225.44
Step by Step Solution
- Step 1: Write the proportion equation
532,439.16 : 734,781.18 = 290,737.08 : x - Step 2: Convert to fraction form
532,439.16/734,781.18 = 290,737.08/x - Step 3: Cross multiply
532,439.16x = 734,781.18 × 290,737.08 - Step 4: Simplify right side
532,439.16x = 213,628,134,712.15 - Step 5: Solve for x
x = 213,628,134,712.15/532,439.16 - Step 6: Final answer
x = 401,225.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.