Finding the Fourth Proportional to 545,295.84, 817,816.58 and 208,212.72
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Solution
The fourth proportional to 545,295.84, 817,816.58 and 208,212.72 is: 312,270.52
Step by Step Solution
- Step 1: Write the proportion equation
545,295.84 : 817,816.58 = 208,212.72 : x - Step 2: Convert to fraction form
545,295.84/817,816.58 = 208,212.72/x - Step 3: Cross multiply
545,295.84x = 817,816.58 × 208,212.72 - Step 4: Simplify right side
545,295.84x = 170,279,814,582.90 - Step 5: Solve for x
x = 170,279,814,582.90/545,295.84 - Step 6: Final answer
x = 312,270.52
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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.