Finding the Fourth Proportional to 432,439.21, 596,437.72 and 372,110.95
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Solution
The fourth proportional to 432,439.21, 596,437.72 and 372,110.95 is: 513,230.53
Step by Step Solution
- Step 1: Write the proportion equation
432,439.21 : 596,437.72 = 372,110.95 : x - Step 2: Convert to fraction form
432,439.21/596,437.72 = 372,110.95/x - Step 3: Cross multiply
432,439.21x = 596,437.72 × 372,110.95 - Step 4: Simplify right side
432,439.21x = 221,941,006,605.03 - Step 5: Solve for x
x = 221,941,006,605.03/432,439.21 - Step 6: Final answer
x = 513,230.53
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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.