Finding the Fourth Proportional to 389,347.76, 537,292.50 and 219,581.84
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Solution
The fourth proportional to 389,347.76, 537,292.50 and 219,581.84 is: 303,018.76
Step by Step Solution
- Step 1: Write the proportion equation
389,347.76 : 537,292.50 = 219,581.84 : x - Step 2: Convert to fraction form
389,347.76/537,292.50 = 219,581.84/x - Step 3: Cross multiply
389,347.76x = 537,292.50 × 219,581.84 - Step 4: Simplify right side
389,347.76x = 117,979,675,768.20 - Step 5: Solve for x
x = 117,979,675,768.20/389,347.76 - Step 6: Final answer
x = 303,018.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.