Finding the Fourth Proportional to 153,837.63, 212,296.14 and 93,392.19
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Solution
The fourth proportional to 153,837.63, 212,296.14 and 93,392.19 is: 128,881.35
Step by Step Solution
- Step 1: Write the proportion equation
153,837.63 : 212,296.14 = 93,392.19 : x - Step 2: Convert to fraction form
153,837.63/212,296.14 = 93,392.19/x - Step 3: Cross multiply
153,837.63x = 212,296.14 × 93,392.19 - Step 4: Simplify right side
153,837.63x = 19,826,801,443.15 - Step 5: Solve for x
x = 19,826,801,443.15/153,837.63 - Step 6: Final answer
x = 128,881.35
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1.5x scale
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.