Finding the Fourth Proportional to 438,169.84, 604,702.38 and 247,113.52
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Solution
The fourth proportional to 438,169.84, 604,702.38 and 247,113.52 is: 341,032.45
Step by Step Solution
- Step 1: Write the proportion equation
438,169.84 : 604,702.38 = 247,113.52 : x - Step 2: Convert to fraction form
438,169.84/604,702.38 = 247,113.52/x - Step 3: Cross multiply
438,169.84x = 604,702.38 × 247,113.52 - Step 4: Simplify right side
438,169.84x = 149,430,133,674.18 - Step 5: Solve for x
x = 149,430,133,674.18/438,169.84 - Step 6: Final answer
x = 341,032.45
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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.