Finding the Fourth Proportional to 493,424.20, 680,925.18 and 292,220.20
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Solution
The fourth proportional to 493,424.20, 680,925.18 and 292,220.20 is: 403,263.75
Step by Step Solution
- Step 1: Write the proportion equation
493,424.20 : 680,925.18 = 292,220.20 : x - Step 2: Convert to fraction form
493,424.20/680,925.18 = 292,220.20/x - Step 3: Cross multiply
493,424.20x = 680,925.18 × 292,220.20 - Step 4: Simplify right side
493,424.20x = 198,980,092,284.64 - Step 5: Solve for x
x = 198,980,092,284.64/493,424.20 - Step 6: Final answer
x = 403,263.75
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1.5x scale
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.