Finding the Fourth Proportional to 475,756.68, 713,565.52 and 138,706.76
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Solution
The fourth proportional to 475,756.68, 713,565.52 and 138,706.76 is: 208,039.88
Step by Step Solution
- Step 1: Write the proportion equation
475,756.68 : 713,565.52 = 138,706.76 : x - Step 2: Convert to fraction form
475,756.68/713,565.52 = 138,706.76/x - Step 3: Cross multiply
475,756.68x = 713,565.52 × 138,706.76 - Step 4: Simplify right side
475,756.68x = 98,976,361,326.92 - Step 5: Solve for x
x = 98,976,361,326.92/475,756.68 - Step 6: Final answer
x = 208,039.88
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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.