Finding the Fourth Proportional to 455,535.84, 683,070.12 and 266,365.80
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Solution
The fourth proportional to 455,535.84, 683,070.12 and 266,365.80 is: 399,412.08
Step by Step Solution
- Step 1: Write the proportion equation
455,535.84 : 683,070.12 = 266,365.80 : x - Step 2: Convert to fraction form
455,535.84/683,070.12 = 266,365.80/x - Step 3: Cross multiply
455,535.84x = 683,070.12 × 266,365.80 - Step 4: Simplify right side
455,535.84x = 181,946,518,969.90 - Step 5: Solve for x
x = 181,946,518,969.90/455,535.84 - Step 6: Final answer
x = 399,412.08
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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.