Finding the Fourth Proportional to 553,521.42, 829,727.01 and 193,412.70
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Solution
The fourth proportional to 553,521.42, 829,727.01 and 193,412.70 is: 289,925.08
Step by Step Solution
- Step 1: Write the proportion equation
553,521.42 : 829,727.01 = 193,412.70 : x - Step 2: Convert to fraction form
553,521.42/829,727.01 = 193,412.70/x - Step 3: Cross multiply
553,521.42x = 829,727.01 × 193,412.70 - Step 4: Simplify right side
553,521.42x = 160,479,741,267.03 - Step 5: Solve for x
x = 160,479,741,267.03/553,521.42 - Step 6: Final answer
x = 289,925.08
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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.