Finding the Fourth Proportional to 609,149.97, 840,363.09 and 367,298.19
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Solution
The fourth proportional to 609,149.97, 840,363.09 and 367,298.19 is: 506,712.39
Step by Step Solution
- Step 1: Write the proportion equation
609,149.97 : 840,363.09 = 367,298.19 : x - Step 2: Convert to fraction form
609,149.97/840,363.09 = 367,298.19/x - Step 3: Cross multiply
609,149.97x = 840,363.09 × 367,298.19 - Step 4: Simplify right side
609,149.97x = 308,663,837,830.20 - Step 5: Solve for x
x = 308,663,837,830.20/609,149.97 - Step 6: Final answer
x = 506,712.39
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1.5x scale
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.