Finding the Fourth Proportional to 282,437.99, 423,656.63 and 72,075.93
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Solution
The fourth proportional to 282,437.99, 423,656.63 and 72,075.93 is: 108,113.80
Step by Step Solution
- Step 1: Write the proportion equation
282,437.99 : 423,656.63 = 72,075.93 : x - Step 2: Convert to fraction form
282,437.99/423,656.63 = 72,075.93/x - Step 3: Cross multiply
282,437.99x = 423,656.63 × 72,075.93 - Step 4: Simplify right side
282,437.99x = 30,535,443,929.11 - Step 5: Solve for x
x = 30,535,443,929.11/282,437.99 - Step 6: Final answer
x = 108,113.80
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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.