Finding the Fourth Proportional to 419,203.75, 578,646.99 and 249,434.23
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Solution
The fourth proportional to 419,203.75, 578,646.99 and 249,434.23 is: 344,306.00
Step by Step Solution
- Step 1: Write the proportion equation
419,203.75 : 578,646.99 = 249,434.23 : x - Step 2: Convert to fraction form
419,203.75/578,646.99 = 249,434.23/x - Step 3: Cross multiply
419,203.75x = 578,646.99 × 249,434.23 - Step 4: Simplify right side
419,203.75x = 144,334,366,392.47 - Step 5: Solve for x
x = 144,334,366,392.47/419,203.75 - Step 6: Final answer
x = 344,306.00
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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.