Finding the Fourth Proportional to 368,374.16, 508,385.87 and 207,219.60
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Solution
The fourth proportional to 368,374.16, 508,385.87 and 207,219.60 is: 285,979.66
Step by Step Solution
- Step 1: Write the proportion equation
368,374.16 : 508,385.87 = 207,219.60 : x - Step 2: Convert to fraction form
368,374.16/508,385.87 = 207,219.60/x - Step 3: Cross multiply
368,374.16x = 508,385.87 × 207,219.60 - Step 4: Simplify right side
368,374.16x = 105,347,516,368.03 - Step 5: Solve for x
x = 105,347,516,368.03/368,374.16 - Step 6: Final answer
x = 285,979.66
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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.