Finding the Fourth Proportional to 454,541.52, 681,746.63 and 138,913.68
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Solution
The fourth proportional to 454,541.52, 681,746.63 and 138,913.68 is: 208,350.45
Step by Step Solution
- Step 1: Write the proportion equation
454,541.52 : 681,746.63 = 138,913.68 : x - Step 2: Convert to fraction form
454,541.52/681,746.63 = 138,913.68/x - Step 3: Cross multiply
454,541.52x = 681,746.63 × 138,913.68 - Step 4: Simplify right side
454,541.52x = 94,703,932,506.33 - Step 5: Solve for x
x = 94,703,932,506.33/454,541.52 - Step 6: Final answer
x = 208,350.45
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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.