Finding the Fourth Proportional to 472,513.76, 709,029.84 and 191,955.68
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Solution
The fourth proportional to 472,513.76, 709,029.84 and 191,955.68 is: 288,038.82
Step by Step Solution
- Step 1: Write the proportion equation
472,513.76 : 709,029.84 = 191,955.68 : x - Step 2: Convert to fraction form
472,513.76/709,029.84 = 191,955.68/x - Step 3: Cross multiply
472,513.76x = 709,029.84 × 191,955.68 - Step 4: Simplify right side
472,513.76x = 136,102,305,077.49 - Step 5: Solve for x
x = 136,102,305,077.49/472,513.76 - Step 6: Final answer
x = 288,038.82
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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.