Finding the Fourth Proportional to 459,509.77, 634,117.84 and 258,305.77
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Solution
The fourth proportional to 459,509.77, 634,117.84 and 258,305.77 is: 356,458.79
Step by Step Solution
- Step 1: Write the proportion equation
459,509.77 : 634,117.84 = 258,305.77 : x - Step 2: Convert to fraction form
459,509.77/634,117.84 = 258,305.77/x - Step 3: Cross multiply
459,509.77x = 634,117.84 × 258,305.77 - Step 4: Simplify right side
459,509.77x = 163,796,296,931.94 - Step 5: Solve for x
x = 163,796,296,931.94/459,509.77 - Step 6: Final answer
x = 356,458.79
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1.5x scale
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.