Finding the Fourth Proportional to 431,089.01, 594,902.43 and 249,905.84
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Solution
The fourth proportional to 431,089.01, 594,902.43 and 249,905.84 is: 344,869.83
Step by Step Solution
- Step 1: Write the proportion equation
431,089.01 : 594,902.43 = 249,905.84 : x - Step 2: Convert to fraction form
431,089.01/594,902.43 = 249,905.84/x - Step 3: Cross multiply
431,089.01x = 594,902.43 × 249,905.84 - Step 4: Simplify right side
431,089.01x = 148,669,591,487.19 - Step 5: Solve for x
x = 148,669,591,487.19/431,089.01 - Step 6: Final answer
x = 344,869.83
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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.