Finding the Fourth Proportional to 502,430.18, 693,353.49 and 276,090.26
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Solution
The fourth proportional to 502,430.18, 693,353.49 and 276,090.26 is: 381,004.47
Step by Step Solution
- Step 1: Write the proportion equation
502,430.18 : 693,353.49 = 276,090.26 : x - Step 2: Convert to fraction form
502,430.18/693,353.49 = 276,090.26/x - Step 3: Cross multiply
502,430.18x = 693,353.49 × 276,090.26 - Step 4: Simplify right side
502,430.18x = 191,428,145,326.01 - Step 5: Solve for x
x = 191,428,145,326.01/502,430.18 - Step 6: Final answer
x = 381,004.47
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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.