Finding the Fourth Proportional to 623,420.70, 934,539.21 and 202,402.14
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Solution
The fourth proportional to 623,420.70, 934,539.21 and 202,402.14 is: 303,411.06
Step by Step Solution
- Step 1: Write the proportion equation
623,420.70 : 934,539.21 = 202,402.14 : x - Step 2: Convert to fraction form
623,420.70/934,539.21 = 202,402.14/x - Step 3: Cross multiply
623,420.70x = 934,539.21 × 202,402.14 - Step 4: Simplify right side
623,420.70x = 189,152,736,017.91 - Step 5: Solve for x
x = 189,152,736,017.91/623,420.70 - Step 6: Final answer
x = 303,411.06
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.