Finding the Fourth Proportional to 180,637.56, 249,277.14 and 100,064.84
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Solution
The fourth proportional to 180,637.56, 249,277.14 and 100,064.84 is: 138,087.99
Step by Step Solution
- Step 1: Write the proportion equation
180,637.56 : 249,277.14 = 100,064.84 : x - Step 2: Convert to fraction form
180,637.56/249,277.14 = 100,064.84/x - Step 3: Cross multiply
180,637.56x = 249,277.14 × 100,064.84 - Step 4: Simplify right side
180,637.56x = 24,943,877,129.76 - Step 5: Solve for x
x = 24,943,877,129.76/180,637.56 - Step 6: Final answer
x = 138,087.99
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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.