Finding the Fourth Proportional to 361,280.91, 498,465.86 and 208,307.08
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Solution
The fourth proportional to 361,280.91, 498,465.86 and 208,307.08 is: 287,405.08
Step by Step Solution
- Step 1: Write the proportion equation
361,280.91 : 498,465.86 = 208,307.08 : x - Step 2: Convert to fraction form
361,280.91/498,465.86 = 208,307.08/x - Step 3: Cross multiply
361,280.91x = 498,465.86 × 208,307.08 - Step 4: Simplify right side
361,280.91x = 103,833,967,776.29 - Step 5: Solve for x
x = 103,833,967,776.29/361,280.91 - Step 6: Final answer
x = 287,405.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.