Finding the Fourth Proportional to 122,545.30, 183,817.95 and 39,439.30
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Solution
The fourth proportional to 122,545.30, 183,817.95 and 39,439.30 is: 59,158.95
Step by Step Solution
- Step 1: Write the proportion equation
122,545.30 : 183,817.95 = 39,439.30 : x - Step 2: Convert to fraction form
122,545.30/183,817.95 = 39,439.30/x - Step 3: Cross multiply
122,545.30x = 183,817.95 × 39,439.30 - Step 4: Simplify right side
122,545.30x = 7,249,651,275.44 - Step 5: Solve for x
x = 7,249,651,275.44/122,545.30 - Step 6: Final answer
x = 59,158.95
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1.5x scale
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.