Finding the Fourth Proportional to 368,464.06, 508,439.18 and 207,374.50
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Solution
The fourth proportional to 368,464.06, 508,439.18 and 207,374.50 is: 286,153.61
Step by Step Solution
- Step 1: Write the proportion equation
368,464.06 : 508,439.18 = 207,374.50 : x - Step 2: Convert to fraction form
368,464.06/508,439.18 = 207,374.50/x - Step 3: Cross multiply
368,464.06x = 508,439.18 × 207,374.50 - Step 4: Simplify right side
368,464.06x = 105,437,320,732.91 - Step 5: Solve for x
x = 105,437,320,732.91/368,464.06 - Step 6: Final answer
x = 286,153.61
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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.