Finding the Fourth Proportional to 408,295.62, 612,567.86 and 208,756.08
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Solution
The fourth proportional to 408,295.62, 612,567.86 and 208,756.08 is: 313,197.74
Step by Step Solution
- Step 1: Write the proportion equation
408,295.62 : 612,567.86 = 208,756.08 : x - Step 2: Convert to fraction form
408,295.62/612,567.86 = 208,756.08/x - Step 3: Cross multiply
408,295.62x = 612,567.86 × 208,756.08 - Step 4: Simplify right side
408,295.62x = 127,877,264,143.81 - Step 5: Solve for x
x = 127,877,264,143.81/408,295.62 - Step 6: Final answer
x = 313,197.74
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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.