Finding the Fourth Proportional to 472,721.82, 652,360.28 and 257,862.84
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Solution
The fourth proportional to 472,721.82, 652,360.28 and 257,862.84 is: 355,852.99
Step by Step Solution
- Step 1: Write the proportion equation
472,721.82 : 652,360.28 = 257,862.84 : x - Step 2: Convert to fraction form
472,721.82/652,360.28 = 257,862.84/x - Step 3: Cross multiply
472,721.82x = 652,360.28 × 257,862.84 - Step 4: Simplify right side
472,721.82x = 168,219,473,214.68 - Step 5: Solve for x
x = 168,219,473,214.68/472,721.82 - Step 6: Final answer
x = 355,852.99
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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.