Finding the Fourth Proportional to 453,953.23, 625,389.87 and 315,894.81
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Solution
The fourth proportional to 453,953.23, 625,389.87 and 315,894.81 is: 435,193.32
Step by Step Solution
- Step 1: Write the proportion equation
453,953.23 : 625,389.87 = 315,894.81 : x - Step 2: Convert to fraction form
453,953.23/625,389.87 = 315,894.81/x - Step 3: Cross multiply
453,953.23x = 625,389.87 × 315,894.81 - Step 4: Simplify right side
453,953.23x = 197,557,414,159.58 - Step 5: Solve for x
x = 197,557,414,159.58/453,953.23 - Step 6: Final answer
x = 435,193.32
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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.