Finding the Fourth Proportional to 865,868.08, 1,298,924.12 and 266,877.68
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Solution
The fourth proportional to 865,868.08, 1,298,924.12 and 266,877.68 is: 400,354.12
Step by Step Solution
- Step 1: Write the proportion equation
865,868.08 : 1,298,924.12 = 266,877.68 : x - Step 2: Convert to fraction form
865,868.08/1,298,924.12 = 266,877.68/x - Step 3: Cross multiply
865,868.08x = 1,298,924.12 × 266,877.68 - Step 4: Simplify right side
865,868.08x = 346,653,855,641.64 - Step 5: Solve for x
x = 346,653,855,641.64/865,868.08 - Step 6: Final answer
x = 400,354.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.