Finding the Fourth Proportional to 257,957.24, 355,973.88 and 154,649.84
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Solution
The fourth proportional to 257,957.24, 355,973.88 and 154,649.84 is: 213,412.52
Step by Step Solution
- Step 1: Write the proportion equation
257,957.24 : 355,973.88 = 154,649.84 : x - Step 2: Convert to fraction form
257,957.24/355,973.88 = 154,649.84/x - Step 3: Cross multiply
257,957.24x = 355,973.88 × 154,649.84 - Step 4: Simplify right side
257,957.24x = 55,051,303,586.18 - Step 5: Solve for x
x = 55,051,303,586.18/257,957.24 - Step 6: Final answer
x = 213,412.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.