Finding the Fourth Proportional to 581,228.68, 870,104.94 and 355,880.20
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Solution
The fourth proportional to 581,228.68, 870,104.94 and 355,880.20 is: 532,756.09
Step by Step Solution
- Step 1: Write the proportion equation
581,228.68 : 870,104.94 = 355,880.20 : x - Step 2: Convert to fraction form
581,228.68/870,104.94 = 355,880.20/x - Step 3: Cross multiply
581,228.68x = 870,104.94 × 355,880.20 - Step 4: Simplify right side
581,228.68x = 309,653,120,068.19 - Step 5: Solve for x
x = 309,653,120,068.19/581,228.68 - Step 6: Final answer
x = 532,756.09
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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.