Finding the Fourth Proportional to 398,791.84, 596,782.58 and 249,102.62
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Solution
The fourth proportional to 398,791.84, 596,782.58 and 249,102.62 is: 372,776.19
Step by Step Solution
- Step 1: Write the proportion equation
398,791.84 : 596,782.58 = 249,102.62 : x - Step 2: Convert to fraction form
398,791.84/596,782.58 = 249,102.62/x - Step 3: Cross multiply
398,791.84x = 596,782.58 × 249,102.62 - Step 4: Simplify right side
398,791.84x = 148,660,104,248.36 - Step 5: Solve for x
x = 148,660,104,248.36/398,791.84 - Step 6: Final answer
x = 372,776.19
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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.