Finding the Fourth Proportional to 472,935.70, 709,409.79 and 157,392.66
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Solution
The fourth proportional to 472,935.70, 709,409.79 and 157,392.66 is: 236,091.07
Step by Step Solution
- Step 1: Write the proportion equation
472,935.70 : 709,409.79 = 157,392.66 : x - Step 2: Convert to fraction form
472,935.70/709,409.79 = 157,392.66/x - Step 3: Cross multiply
472,935.70x = 709,409.79 × 157,392.66 - Step 4: Simplify right side
472,935.70x = 111,655,893,878.14 - Step 5: Solve for x
x = 111,655,893,878.14/472,935.70 - Step 6: Final answer
x = 236,091.07
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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.