Finding the Fourth Proportional to 532,646.28, 735,050.70 and 306,291.78
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Solution
The fourth proportional to 532,646.28, 735,050.70 and 306,291.78 is: 422,681.99
Step by Step Solution
- Step 1: Write the proportion equation
532,646.28 : 735,050.70 = 306,291.78 : x - Step 2: Convert to fraction form
532,646.28/735,050.70 = 306,291.78/x - Step 3: Cross multiply
532,646.28x = 735,050.70 × 306,291.78 - Step 4: Simplify right side
532,646.28x = 225,139,987,293.25 - Step 5: Solve for x
x = 225,139,987,293.25/532,646.28 - Step 6: Final answer
x = 422,681.99
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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.