Finding the Fourth Proportional to 545,898.98, 819,102.08 and 208,828.20
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Solution
The fourth proportional to 545,898.98, 819,102.08 and 208,828.20 is: 313,339.32
Step by Step Solution
- Step 1: Write the proportion equation
545,898.98 : 819,102.08 = 208,828.20 : x - Step 2: Convert to fraction form
545,898.98/819,102.08 = 208,828.20/x - Step 3: Cross multiply
545,898.98x = 819,102.08 × 208,828.20 - Step 4: Simplify right side
545,898.98x = 171,051,612,982.66 - Step 5: Solve for x
x = 171,051,612,982.66/545,898.98 - Step 6: Final answer
x = 313,339.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.