Finding the Fourth Proportional to 415,432.93, 623,254.36 and 115,913.32
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Solution
The fourth proportional to 415,432.93, 623,254.36 and 115,913.32 is: 173,899.27
Step by Step Solution
- Step 1: Write the proportion equation
415,432.93 : 623,254.36 = 115,913.32 : x - Step 2: Convert to fraction form
415,432.93/623,254.36 = 115,913.32/x - Step 3: Cross multiply
415,432.93x = 623,254.36 × 115,913.32 - Step 4: Simplify right side
415,432.93x = 72,243,482,357.40 - Step 5: Solve for x
x = 72,243,482,357.40/415,432.93 - Step 6: Final answer
x = 173,899.27
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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.