Finding the Fourth Proportional to 276,277.95, 414,417.09 and 86,737.49
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Solution
The fourth proportional to 276,277.95, 414,417.09 and 86,737.49 is: 130,106.28
Step by Step Solution
- Step 1: Write the proportion equation
276,277.95 : 414,417.09 = 86,737.49 : x - Step 2: Convert to fraction form
276,277.95/414,417.09 = 86,737.49/x - Step 3: Cross multiply
276,277.95x = 414,417.09 × 86,737.49 - Step 4: Simplify right side
276,277.95x = 35,945,496,127.62 - Step 5: Solve for x
x = 35,945,496,127.62/276,277.95 - Step 6: Final answer
x = 130,106.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.