Finding the Fourth Proportional to 260,298.68, 390,545.21 and 102,637.04
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Solution
The fourth proportional to 260,298.68, 390,545.21 and 102,637.04 is: 153,993.88
Step by Step Solution
- Step 1: Write the proportion equation
260,298.68 : 390,545.21 = 102,637.04 : x - Step 2: Convert to fraction form
260,298.68/390,545.21 = 102,637.04/x - Step 3: Cross multiply
260,298.68x = 390,545.21 × 102,637.04 - Step 4: Simplify right side
260,298.68x = 40,084,402,644.44 - Step 5: Solve for x
x = 40,084,402,644.44/260,298.68 - Step 6: Final answer
x = 153,993.88
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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.