Finding the Fourth Proportional to 408,602.81, 564,149.66 and 255,702.81
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Solution
The fourth proportional to 408,602.81, 564,149.66 and 255,702.81 is: 353,043.71
Step by Step Solution
- Step 1: Write the proportion equation
408,602.81 : 564,149.66 = 255,702.81 : x - Step 2: Convert to fraction form
408,602.81/564,149.66 = 255,702.81/x - Step 3: Cross multiply
408,602.81x = 564,149.66 × 255,702.81 - Step 4: Simplify right side
408,602.81x = 144,254,652,044.03 - Step 5: Solve for x
x = 144,254,652,044.03/408,602.81 - Step 6: Final answer
x = 353,043.71
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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.