Finding the Fourth Proportional to 408,518.84, 612,777.35 and 194,637.53
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Solution
The fourth proportional to 408,518.84, 612,777.35 and 194,637.53 is: 291,955.86
Step by Step Solution
- Step 1: Write the proportion equation
408,518.84 : 612,777.35 = 194,637.53 : x - Step 2: Convert to fraction form
408,518.84/612,777.35 = 194,637.53/x - Step 3: Cross multiply
408,518.84x = 612,777.35 × 194,637.53 - Step 4: Simplify right side
408,518.84x = 119,269,471,862.48 - Step 5: Solve for x
x = 119,269,471,862.48/408,518.84 - Step 6: Final answer
x = 291,955.86
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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.