Finding the Fourth Proportional to 495,043.26, 742,445.94 and 228,547.74
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Solution
The fourth proportional to 495,043.26, 742,445.94 and 228,547.74 is: 342,766.69
Step by Step Solution
- Step 1: Write the proportion equation
495,043.26 : 742,445.94 = 228,547.74 : x - Step 2: Convert to fraction form
495,043.26/742,445.94 = 228,547.74/x - Step 3: Cross multiply
495,043.26x = 742,445.94 × 228,547.74 - Step 4: Simplify right side
495,043.26x = 169,684,341,659.18 - Step 5: Solve for x
x = 169,684,341,659.18/495,043.26 - Step 6: Final answer
x = 342,766.69
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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.