Finding the Fourth Proportional to 368,512.96, 508,577.80 and 207,358.60
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Solution
The fourth proportional to 368,512.96, 508,577.80 and 207,358.60 is: 286,171.70
Step by Step Solution
- Step 1: Write the proportion equation
368,512.96 : 508,577.80 = 207,358.60 : x - Step 2: Convert to fraction form
368,512.96/508,577.80 = 207,358.60/x - Step 3: Cross multiply
368,512.96x = 508,577.80 × 207,358.60 - Step 4: Simplify right side
368,512.96x = 105,457,980,599.08 - Step 5: Solve for x
x = 105,457,980,599.08/368,512.96 - Step 6: Final answer
x = 286,171.70
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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.