Finding the Fourth Proportional to 316,536.44, 474,809.72 and 103,303.53
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Solution
The fourth proportional to 316,536.44, 474,809.72 and 103,303.53 is: 154,956.95
Step by Step Solution
- Step 1: Write the proportion equation
316,536.44 : 474,809.72 = 103,303.53 : x - Step 2: Convert to fraction form
316,536.44/474,809.72 = 103,303.53/x - Step 3: Cross multiply
316,536.44x = 474,809.72 × 103,303.53 - Step 4: Simplify right side
316,536.44x = 49,049,519,637.79 - Step 5: Solve for x
x = 49,049,519,637.79/316,536.44 - Step 6: Final answer
x = 154,956.95
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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.