Finding the Fourth Proportional to 419,170.02, 578,364.93 and 249,370.98
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Solution
The fourth proportional to 419,170.02, 578,364.93 and 249,370.98 is: 344,078.59
Step by Step Solution
- Step 1: Write the proportion equation
419,170.02 : 578,364.93 = 249,370.98 : x - Step 2: Convert to fraction form
419,170.02/578,364.93 = 249,370.98/x - Step 3: Cross multiply
419,170.02x = 578,364.93 × 249,370.98 - Step 4: Simplify right side
419,170.02x = 144,227,429,391.73 - Step 5: Solve for x
x = 144,227,429,391.73/419,170.02 - Step 6: Final answer
x = 344,078.59
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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.