Finding the Fourth Proportional to 520,203.95, 780,305.93 and 146,226.95
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Solution
The fourth proportional to 520,203.95, 780,305.93 and 146,226.95 is: 219,340.43
Step by Step Solution
- Step 1: Write the proportion equation
520,203.95 : 780,305.93 = 146,226.95 : x - Step 2: Convert to fraction form
520,203.95/780,305.93 = 146,226.95/x - Step 3: Cross multiply
520,203.95x = 780,305.93 × 146,226.95 - Step 4: Simplify right side
520,203.95x = 114,101,756,210.81 - Step 5: Solve for x
x = 114,101,756,210.81/520,203.95 - Step 6: Final answer
x = 219,340.43
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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.