Finding the Fourth Proportional to 478,890.32, 660,873.12 and 264,038.08
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Solution
The fourth proportional to 478,890.32, 660,873.12 and 264,038.08 is: 364,375.02
Step by Step Solution
- Step 1: Write the proportion equation
478,890.32 : 660,873.12 = 264,038.08 : x - Step 2: Convert to fraction form
478,890.32/660,873.12 = 264,038.08/x - Step 3: Cross multiply
478,890.32x = 660,873.12 × 264,038.08 - Step 4: Simplify right side
478,890.32x = 174,495,669,728.41 - Step 5: Solve for x
x = 174,495,669,728.41/478,890.32 - Step 6: Final answer
x = 364,375.02
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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.