Finding the Fourth Proportional to 545,116.35, 817,610.14 and 145,788.08
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Solution
The fourth proportional to 545,116.35, 817,610.14 and 145,788.08 is: 218,664.89
Step by Step Solution
- Step 1: Write the proportion equation
545,116.35 : 817,610.14 = 145,788.08 : x - Step 2: Convert to fraction form
545,116.35/817,610.14 = 145,788.08/x - Step 3: Cross multiply
545,116.35x = 817,610.14 × 145,788.08 - Step 4: Simplify right side
545,116.35x = 119,197,807,773.26 - Step 5: Solve for x
x = 119,197,807,773.26/545,116.35 - Step 6: Final answer
x = 218,664.89
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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.