Finding the Fourth Proportional to 453,075.71, 625,258.08 and 249,116.09
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Solution
The fourth proportional to 453,075.71, 625,258.08 and 249,116.09 is: 343,787.68
Step by Step Solution
- Step 1: Write the proportion equation
453,075.71 : 625,258.08 = 249,116.09 : x - Step 2: Convert to fraction form
453,075.71/625,258.08 = 249,116.09/x - Step 3: Cross multiply
453,075.71x = 625,258.08 × 249,116.09 - Step 4: Simplify right side
453,075.71x = 155,761,845,004.22 - Step 5: Solve for x
x = 155,761,845,004.22/453,075.71 - Step 6: Final answer
x = 343,787.68
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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.