Finding the Fourth Proportional to 671,145.84, 926,181.40 and 369,339.84
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Solution
The fourth proportional to 671,145.84, 926,181.40 and 369,339.84 is: 509,689.06
Step by Step Solution
- Step 1: Write the proportion equation
671,145.84 : 926,181.40 = 369,339.84 : x - Step 2: Convert to fraction form
671,145.84/926,181.40 = 369,339.84/x - Step 3: Cross multiply
671,145.84x = 926,181.40 × 369,339.84 - Step 4: Simplify right side
671,145.84x = 342,075,690,086.98 - Step 5: Solve for x
x = 342,075,690,086.98/671,145.84 - Step 6: Final answer
x = 509,689.06
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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.