Finding the Fourth Proportional to 440,384.85, 607,710.79 and 249,399.63
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Solution
The fourth proportional to 440,384.85, 607,710.79 and 249,399.63 is: 344,159.99
Step by Step Solution
- Step 1: Write the proportion equation
440,384.85 : 607,710.79 = 249,399.63 : x - Step 2: Convert to fraction form
440,384.85/607,710.79 = 249,399.63/x - Step 3: Cross multiply
440,384.85x = 607,710.79 × 249,399.63 - Step 4: Simplify right side
440,384.85x = 151,562,844,926.01 - Step 5: Solve for x
x = 151,562,844,926.01/440,384.85 - Step 6: Final answer
x = 344,159.99
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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.