Finding the Fourth Proportional to 473,403.12, 653,292.84 and 258,543.12
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Solution
The fourth proportional to 473,403.12, 653,292.84 and 258,543.12 is: 356,787.61
Step by Step Solution
- Step 1: Write the proportion equation
473,403.12 : 653,292.84 = 258,543.12 : x - Step 2: Convert to fraction form
473,403.12/653,292.84 = 258,543.12/x - Step 3: Cross multiply
473,403.12x = 653,292.84 × 258,543.12 - Step 4: Simplify right side
473,403.12x = 168,904,369,127.26 - Step 5: Solve for x
x = 168,904,369,127.26/473,403.12 - Step 6: Final answer
x = 356,787.61
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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.