Finding the Fourth Proportional to 609,142.40, 840,623.14 and 337,214.80
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Solution
The fourth proportional to 609,142.40, 840,623.14 and 337,214.80 is: 465,360.09
Step by Step Solution
- Step 1: Write the proportion equation
609,142.40 : 840,623.14 = 337,214.80 : x - Step 2: Convert to fraction form
609,142.40/840,623.14 = 337,214.80/x - Step 3: Cross multiply
609,142.40x = 840,623.14 × 337,214.80 - Step 4: Simplify right side
609,142.40x = 283,470,564,030.47 - Step 5: Solve for x
x = 283,470,564,030.47/609,142.40 - Step 6: Final answer
x = 465,360.09
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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.