Finding the Fourth Proportional to 178,075.62, 245,743.45 and 97,501.68
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Solution
The fourth proportional to 178,075.62, 245,743.45 and 97,501.68 is: 134,551.82
Step by Step Solution
- Step 1: Write the proportion equation
178,075.62 : 245,743.45 = 97,501.68 : x - Step 2: Convert to fraction form
178,075.62/245,743.45 = 97,501.68/x - Step 3: Cross multiply
178,075.62x = 245,743.45 × 97,501.68 - Step 4: Simplify right side
178,075.62x = 23,960,398,607.15 - Step 5: Solve for x
x = 23,960,398,607.15/178,075.62 - Step 6: Final answer
x = 134,551.82
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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.