Finding the Fourth Proportional to 342,569.05, 472,746.21 and 189,617.76
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Solution
The fourth proportional to 342,569.05, 472,746.21 and 189,617.76 is: 261,673.02
Step by Step Solution
- Step 1: Write the proportion equation
342,569.05 : 472,746.21 = 189,617.76 : x - Step 2: Convert to fraction form
342,569.05/472,746.21 = 189,617.76/x - Step 3: Cross multiply
342,569.05x = 472,746.21 × 189,617.76 - Step 4: Simplify right side
342,569.05x = 89,641,076,677.62 - Step 5: Solve for x
x = 89,641,076,677.62/342,569.05 - Step 6: Final answer
x = 261,673.02
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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.