Finding the Fourth Proportional to 553,076.09, 829,614.14 and 316,252.65
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Solution
The fourth proportional to 553,076.09, 829,614.14 and 316,252.65 is: 474,378.98
Step by Step Solution
- Step 1: Write the proportion equation
553,076.09 : 829,614.14 = 316,252.65 : x - Step 2: Convert to fraction form
553,076.09/829,614.14 = 316,252.65/x - Step 3: Cross multiply
553,076.09x = 829,614.14 × 316,252.65 - Step 4: Simplify right side
553,076.09x = 262,367,668,671.21 - Step 5: Solve for x
x = 262,367,668,671.21/553,076.09 - Step 6: Final answer
x = 474,378.98
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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.