Finding the Fourth Proportional to 319,260.08, 478,890.12 and 108,899.84
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Solution
The fourth proportional to 319,260.08, 478,890.12 and 108,899.84 is: 163,349.76
Step by Step Solution
- Step 1: Write the proportion equation
319,260.08 : 478,890.12 = 108,899.84 : x - Step 2: Convert to fraction form
319,260.08/478,890.12 = 108,899.84/x - Step 3: Cross multiply
319,260.08x = 478,890.12 × 108,899.84 - Step 4: Simplify right side
319,260.08x = 52,151,059,051.18 - Step 5: Solve for x
x = 52,151,059,051.18/319,260.08 - Step 6: Final answer
x = 163,349.76
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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.