Finding the Fourth Proportional to 377,298.81, 520,710.55 and 216,175.23
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Solution
The fourth proportional to 377,298.81, 520,710.55 and 216,175.23 is: 298,343.70
Step by Step Solution
- Step 1: Write the proportion equation
377,298.81 : 520,710.55 = 216,175.23 : x - Step 2: Convert to fraction form
377,298.81/520,710.55 = 216,175.23/x - Step 3: Cross multiply
377,298.81x = 520,710.55 × 216,175.23 - Step 4: Simplify right side
377,298.81x = 112,564,722,369.24 - Step 5: Solve for x
x = 112,564,722,369.24/377,298.81 - Step 6: Final answer
x = 298,343.70
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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.