Finding the Fourth Proportional to 438,164.10, 657,246.15 and 249,207.30
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Solution
The fourth proportional to 438,164.10, 657,246.15 and 249,207.30 is: 373,810.95
Step by Step Solution
- Step 1: Write the proportion equation
438,164.10 : 657,246.15 = 249,207.30 : x - Step 2: Convert to fraction form
438,164.10/657,246.15 = 249,207.30/x - Step 3: Cross multiply
438,164.10x = 657,246.15 × 249,207.30 - Step 4: Simplify right side
438,164.10x = 163,790,538,476.90 - Step 5: Solve for x
x = 163,790,538,476.90/438,164.10 - Step 6: Final answer
x = 373,810.95
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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.