Finding the Fourth Proportional to 316,775.12, 437,181.01 and 180,829.49
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Solution
The fourth proportional to 316,775.12, 437,181.01 and 180,829.49 is: 249,562.59
Step by Step Solution
- Step 1: Write the proportion equation
316,775.12 : 437,181.01 = 180,829.49 : x - Step 2: Convert to fraction form
316,775.12/437,181.01 = 180,829.49/x - Step 3: Cross multiply
316,775.12x = 437,181.01 × 180,829.49 - Step 4: Simplify right side
316,775.12x = 79,055,219,075.98 - Step 5: Solve for x
x = 79,055,219,075.98/316,775.12 - Step 6: Final answer
x = 249,562.59
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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.