Finding the Fourth Proportional to 346,746.36, 478,503.18 and 193,785.96
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Solution
The fourth proportional to 346,746.36, 478,503.18 and 193,785.96 is: 267,420.83
Step by Step Solution
- Step 1: Write the proportion equation
346,746.36 : 478,503.18 = 193,785.96 : x - Step 2: Convert to fraction form
346,746.36/478,503.18 = 193,785.96/x - Step 3: Cross multiply
346,746.36x = 478,503.18 × 193,785.96 - Step 4: Simplify right side
346,746.36x = 92,727,198,099.35 - Step 5: Solve for x
x = 92,727,198,099.35/346,746.36 - Step 6: Final answer
x = 267,420.83
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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.