Finding the Fourth Proportional to 249,113.80, 373,670.70 and 82,901.80
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Solution
The fourth proportional to 249,113.80, 373,670.70 and 82,901.80 is: 124,352.70
Step by Step Solution
- Step 1: Write the proportion equation
249,113.80 : 373,670.70 = 82,901.80 : x - Step 2: Convert to fraction form
249,113.80/373,670.70 = 82,901.80/x - Step 3: Cross multiply
249,113.80x = 373,670.70 × 82,901.80 - Step 4: Simplify right side
249,113.80x = 30,977,973,637.26 - Step 5: Solve for x
x = 30,977,973,637.26/249,113.80 - Step 6: Final answer
x = 124,352.70
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1.5x scale
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.