Finding the Fourth Proportional to 368,658.03, 553,202.06 and 155,412.88
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Solution
The fourth proportional to 368,658.03, 553,202.06 and 155,412.88 is: 233,209.95
Step by Step Solution
- Step 1: Write the proportion equation
368,658.03 : 553,202.06 = 155,412.88 : x - Step 2: Convert to fraction form
368,658.03/553,202.06 = 155,412.88/x - Step 3: Cross multiply
368,658.03x = 553,202.06 × 155,412.88 - Step 4: Simplify right side
368,658.03x = 85,974,723,206.46 - Step 5: Solve for x
x = 85,974,723,206.46/368,658.03 - Step 6: Final answer
x = 233,209.95
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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.