Finding the Fourth Proportional to 398,336.76, 597,681.74 and 208,752.05
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Solution
The fourth proportional to 398,336.76, 597,681.74 and 208,752.05 is: 313,220.63
Step by Step Solution
- Step 1: Write the proportion equation
398,336.76 : 597,681.74 = 208,752.05 : x - Step 2: Convert to fraction form
398,336.76/597,681.74 = 208,752.05/x - Step 3: Cross multiply
398,336.76x = 597,681.74 × 208,752.05 - Step 4: Simplify right side
398,336.76x = 124,767,290,488.65 - Step 5: Solve for x
x = 124,767,290,488.65/398,336.76 - Step 6: Final answer
x = 313,220.63
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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.