Finding the Fourth Proportional to 320,102.64, 480,038.76 and 109,684.08
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Solution
The fourth proportional to 320,102.64, 480,038.76 and 109,684.08 is: 164,486.65
Step by Step Solution
- Step 1: Write the proportion equation
320,102.64 : 480,038.76 = 109,684.08 : x - Step 2: Convert to fraction form
320,102.64/480,038.76 = 109,684.08/x - Step 3: Cross multiply
320,102.64x = 480,038.76 × 109,684.08 - Step 4: Simplify right side
320,102.64x = 52,652,609,754.94 - Step 5: Solve for x
x = 52,652,609,754.94/320,102.64 - Step 6: Final answer
x = 164,486.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.