Finding the Fourth Proportional to 389,263.60, 537,176.56 and 219,497.84
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Solution
The fourth proportional to 389,263.60, 537,176.56 and 219,497.84 is: 302,902.95
Step by Step Solution
- Step 1: Write the proportion equation
389,263.60 : 537,176.56 = 219,497.84 : x - Step 2: Convert to fraction form
389,263.60/537,176.56 = 219,497.84/x - Step 3: Cross multiply
389,263.60x = 537,176.56 × 219,497.84 - Step 4: Simplify right side
389,263.60x = 117,909,094,618.63 - Step 5: Solve for x
x = 117,909,094,618.63/389,263.60 - Step 6: Final answer
x = 302,902.95
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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.