Finding the Fourth Proportional to 368,545.74, 552,816.78 and 143,929.02
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Solution
The fourth proportional to 368,545.74, 552,816.78 and 143,929.02 is: 215,892.82
Step by Step Solution
- Step 1: Write the proportion equation
368,545.74 : 552,816.78 = 143,929.02 : x - Step 2: Convert to fraction form
368,545.74/552,816.78 = 143,929.02/x - Step 3: Cross multiply
368,545.74x = 552,816.78 × 143,929.02 - Step 4: Simplify right side
368,545.74x = 79,566,377,384.96 - Step 5: Solve for x
x = 79,566,377,384.96/368,545.74 - Step 6: Final answer
x = 215,892.82
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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.