Finding the Fourth Proportional to 257,461.89, 386,140.04 and 97,482.63
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Solution
The fourth proportional to 257,461.89, 386,140.04 and 97,482.63 is: 146,203.95
Step by Step Solution
- Step 1: Write the proportion equation
257,461.89 : 386,140.04 = 97,482.63 : x - Step 2: Convert to fraction form
257,461.89/386,140.04 = 97,482.63/x - Step 3: Cross multiply
257,461.89x = 386,140.04 × 97,482.63 - Step 4: Simplify right side
257,461.89x = 37,641,944,715.62 - Step 5: Solve for x
x = 37,641,944,715.62/257,461.89 - Step 6: Final answer
x = 146,203.95
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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.