Finding the Fourth Proportional to 430,380.99, 593,997.84 and 249,061.68
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Solution
The fourth proportional to 430,380.99, 593,997.84 and 249,061.68 is: 343,746.83
Step by Step Solution
- Step 1: Write the proportion equation
430,380.99 : 593,997.84 = 249,061.68 : x - Step 2: Convert to fraction form
430,380.99/593,997.84 = 249,061.68/x - Step 3: Cross multiply
430,380.99x = 593,997.84 × 249,061.68 - Step 4: Simplify right side
430,380.99x = 147,942,099,946.77 - Step 5: Solve for x
x = 147,942,099,946.77/430,380.99 - Step 6: Final answer
x = 343,746.83
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1.5x scale
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.