Finding the Fourth Proportional to 472,691.02, 652,315.66 and 257,835.70
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Solution
The fourth proportional to 472,691.02, 652,315.66 and 257,835.70 is: 355,814.39
Step by Step Solution
- Step 1: Write the proportion equation
472,691.02 : 652,315.66 = 257,835.70 : x - Step 2: Convert to fraction form
472,691.02/652,315.66 = 257,835.70/x - Step 3: Cross multiply
472,691.02x = 652,315.66 × 257,835.70 - Step 4: Simplify right side
472,691.02x = 168,190,264,817.06 - Step 5: Solve for x
x = 168,190,264,817.06/472,691.02 - Step 6: Final answer
x = 355,814.39
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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.