Finding the Fourth Proportional to 147,387.95, 221,124.99 and 47,545.94
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Solution
The fourth proportional to 147,387.95, 221,124.99 and 47,545.94 is: 71,332.80
Step by Step Solution
- Step 1: Write the proportion equation
147,387.95 : 221,124.99 = 47,545.94 : x - Step 2: Convert to fraction form
147,387.95/221,124.99 = 47,545.94/x - Step 3: Cross multiply
147,387.95x = 221,124.99 × 47,545.94 - Step 4: Simplify right side
147,387.95x = 10,513,595,507.04 - Step 5: Solve for x
x = 10,513,595,507.04/147,387.95 - Step 6: Final answer
x = 71,332.80
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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.