Finding the Fourth Proportional to 514,577.74, 710,106.70 and 285,133.02
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Solution
The fourth proportional to 514,577.74, 710,106.70 and 285,133.02 is: 393,477.70
Step by Step Solution
- Step 1: Write the proportion equation
514,577.74 : 710,106.70 = 285,133.02 : x - Step 2: Convert to fraction form
514,577.74/710,106.70 = 285,133.02/x - Step 3: Cross multiply
514,577.74x = 710,106.70 × 285,133.02 - Step 4: Simplify right side
514,577.74x = 202,474,866,467.57 - Step 5: Solve for x
x = 202,474,866,467.57/514,577.74 - Step 6: Final answer
x = 393,477.70
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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.