Finding the Fourth Proportional to 423,699.84, 584,703.74 and 230,106.20
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Solution
The fourth proportional to 423,699.84, 584,703.74 and 230,106.20 is: 317,545.45
Step by Step Solution
- Step 1: Write the proportion equation
423,699.84 : 584,703.74 = 230,106.20 : x - Step 2: Convert to fraction form
423,699.84/584,703.74 = 230,106.20/x - Step 3: Cross multiply
423,699.84x = 584,703.74 × 230,106.20 - Step 4: Simplify right side
423,699.84x = 134,543,955,737.19 - Step 5: Solve for x
x = 134,543,955,737.19/423,699.84 - Step 6: Final answer
x = 317,545.45
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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.